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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
_____________________________________________________________________________________________
FORM 10-K
_____________________________________________________________________________________________
(Mark One)
    ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the fiscal year ended December 31, 2023
OR
    TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the transition period from              to             
Commission File Number 001-33963
_____________________________________________________________________________________________
Iridium Communications Inc.
(Exact name of registrant as specified in its charter)
_____________________________________________________________________________________________
DE26-1344998
(State or other jurisdiction of
incorporation or organization)
(I.R.S. Employer
Identification No.)

1750 Tysons Boulevard, Suite 1400, McLean, VA 22102
(Address of principal executive offices, including zip code)
703-287-7400
(Registrant’s telephone number, including area code)
Securities Registered Pursuant to Section 12(b) of the Act: 
Title of Each ClassTrading Symbol Name of Each Exchange on Which Registered
Common Stock, $0.001 par valueIRDM The Nasdaq Stock Market LLC
(Nasdaq Global Select Market)
Securities Registered Pursuant to Section 12(g) of the Act: None
_________________________________________________

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.    Yes       No  
Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.   Yes       No  
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes       No  
Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).    Yes       No  
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act. (Check one):
Large Accelerated FilerAccelerated Filer
Non-Accelerated Filer
Smaller Reporting Company
Emerging Growth Company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  
Indicate by check mark whether the registrant has filed a report on and attestation to its management’s assessment of the effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C. 7262(b)) by the registered public accounting firm that prepared or issued its audit report.
If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the registrant included in the filing reflect the correction of an error to previously issued financial statements.  
Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrant’s executive officers during the relevant recovery period pursuant to § 240.10D-1(b).  
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes       No  
The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold as of June 30, 2023, the last business day of the registrant’s most recently completed second fiscal quarter, was approximately $5,078.9 million.
The number of shares of the registrant’s common stock, par value $0.001 per share, outstanding as of February 9, 2024 was 122,446,386.
DOCUMENTS INCORPORATED BY REFERENCE
Portions of the registrant’s definitive proxy statement for its 2024 annual meeting of stockholders to be filed pursuant to Regulation 14A with the Securities and Exchange Commission not later than 120 days after the registrant’s fiscal year end of December 31, 2023, are incorporated by reference into Part III of this Form 10-K.



IRIDIUM COMMUNICATIONS INC.

ANNUAL REPORT ON FORM 10-K
Year Ended December 31, 2023

TABLE OF CONTENTS

PART I  
   
Item 1.
   
Item 1A.
   
Item 1B.
   
Item 1C.
Item 2.
   
Item 3.
   
Item 4.
   
PART II  
   
Item 5.
   
Item 6.
   
Item 7.
   
Item 7A.
   
Item 8.
   
Item 9.
   
Item 9A.
   
Item 9B.
Item 9C.
   
PART III  
   
Item 10.
   
Item 11.
   
Item 12.
   
Item 13.
   
Item 14.
   
PART IV  
   
Item 15.
   
Item 16.
 




Forward-Looking Statements

This report contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. For this purpose, any statements contained herein that are not statements of historical fact may be deemed to be forward-looking statements. Such forward-looking statements include those that express plans, anticipation, intent, contingencies, goals, targets or future developments or otherwise are not statements of historical fact. Without limiting the foregoing, the words “believes,” “anticipates,” “plans,” “expects,” “intends” and similar expressions are intended to identify forward-looking statements. These forward-looking statements are based on our current expectations and projections about future events, and they are subject to risks and uncertainties, known and unknown, that could cause actual results and developments to differ materially from those expressed or implied in such statements. The important factors discussed under the caption “Risk Factors” in this Form 10-K could cause actual results to differ materially from those indicated by forward-looking statements made herein. We undertake no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

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PART I

Item 1. Business

Corporate Background

Iridium Communications Inc. (“we,” “us,” or “Iridium”) was formed as GHL Acquisition Corp., a special purpose acquisition company, in November 2007, for the purpose of effecting a merger, capital stock exchange, asset acquisition, stock purchase, reorganization or other similar business combination. On February 21, 2008, we consummated our initial public offering. On September 29, 2009, we acquired, directly and indirectly, all the outstanding equity of Iridium Holdings LLC, or Iridium Holdings, and changed our name from GHL Acquisition Corp. to Iridium Communications Inc.

Iridium Holdings was formed under the laws of Delaware in 2000, and on December 11, 2000, Iridium Holdings, through its wholly owned subsidiary Iridium Satellite LLC, or Iridium Satellite, acquired certain satellite assets from Iridium LLC, a non-affiliated debtor in possession, pursuant to an asset purchase agreement.

Business Overview

We are the only commercial provider of communications services offering true global coverage, connecting people, organizations and assets to and from anywhere, in real time. Our low-earth orbit (LEO), L-band network provides reliable, weather-resilient communications services to regions of the world where terrestrial wireless or wireline networks do not exist or are limited, including remote land areas, open ocean, airways, the polar regions, and regions where the telecommunications infrastructure has been affected by political conflicts or natural disasters.

We provide voice and data communications services to businesses, the U.S. and foreign governments, non-governmental organizations, and consumers via our satellite network, which has an architecture of 66 operational satellites with in-orbit spares and related ground infrastructure. We utilize an interlinked mesh architecture to route traffic across our satellite constellation using radio frequency crosslinks between satellites. This unique architecture minimizes the need for local ground facilities to support the constellation, which facilitates the global reach of our services and allows us to offer services in countries and regions where we have no physical presence.

The current Iridium® constellation was completed in 2019, fully replacing our first-generation system. In addition to supporting new products with higher data speeds, it also hosts the Aireon® system, which provides a global air traffic surveillance service through a series of automatic dependent surveillance-broadcast, or ADS-B, receivers on our satellites. We formed Aireon LLC in 2011, with subsequent investments from several air navigation service providers, or ANSPs, to develop and market this service. Aireon has contracted to provide surveillance and other services to ANSPs and other customers around the world. Aireon has also contracted to pay us a fee to host the ADS-B receivers on our satellites, as well as data service fees for the delivery of the air traffic surveillance data over the Iridium system. In addition, we have entered into an agreement with L3Harris Technologies, Inc., or L3Harris, the manufacturer of the Aireon hosted payload, pursuant to which L3Harris pays us fees to allocate the remaining hosted payload capacity to its customers and data service fees on behalf of these customers.

Our commercial business, which we view as our primary source of long-term growth, is diverse and serves markets such as emergency services, maritime, aviation, government, utilities, oil and gas, mining, recreation, forestry, heavy equipment, construction, railways and other transportation. Many of our end users view our products and services as critical to their daily operations and integral to their communications and business infrastructure. For example, multinational corporations in various sectors use our services for business telephony, email and data transfer, including telematics and personal location tracking, and to provide mobile communications services for employees in areas inadequately served by other telecommunications networks. Commercial enterprises use our services to track assets in remote areas and provide telematics information such as location and engine diagnostics. Ship crews and passengers use our services for ship-to-shore calling, as well as to send and receive email and data files, and to receive electronic media, weather reports, emergency bulletins and electronic charts. Shipping operators use our services to manage operations on board ships and to transmit data, such as course, speed, fuel, weather and other navigation service data. Aviation end users use our services for air-to-ground telephony and data communications for position reporting, flight following, emergency tracking, weather information, electronic flight bag updates, and airline operational communications. Recreational users rely on our services as a safety and critical personal communications lifeline to remain in contact with friends and family, as well as for emergency distress signals. We have also seen growing adoption of our services to support autonomous systems, for which Iridium is used for command and control, image transmission and environmental data gathering via unmanned aerial, underwater and surface vehicles. Iridium Certus® provides a platform for our partners to develop specialized broadband and midband (a term we use to describe services between our legacy 2.4 Kbps narrowband and
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our 128 Kbps and higher broadband offerings) applications on our network. With broadband services provided for the maritime and land-mobile industries and a midband service designed for maximum mobility, Iridium Certus offers the flexibility to scale device speeds, sizes and power requirements both up and down based on the needs of the end-user. We expect that these and future Iridium Certus service offerings will continue to drive growth opportunities in our commercial business.

The U.S. government, directly and indirectly, has been and continues to be our largest single customer, generating $196.1 million in service and engineering and support service revenue, or 25% of our total revenue, for the year ended December 31, 2023. This does not include revenue from the sale of equipment that may be ultimately purchased by U.S. or non-U.S. government agencies through third-party distributors, or airtime services purchased by U.S. or non-U.S. government agencies that are provided through our commercial gateway, as we lack specific visibility into these activities and the related revenue. We operate under a multi-year, fixed-price contract with the U.S. government, which we refer to as our Enhanced Mobile Satellite Services, or EMSS, contract to provide specified satellite airtime services for an unlimited number of U.S. Department of Defense, or DoD, and other federal government subscribers. The EMSS contract, entered into in September 2019, has a total value of $738.5 million over its seven-year term, through September 2026, with annual revenues between $100 million and $110.5 million over the term. We may provide other services, such as Iridium Certus, to the U.S. government under separate arrangements for an additional fee.

The U.S. government owns and operates a dedicated gateway that is only compatible with our satellite network. The U.S. armed services, State Department, Department of Homeland Security, Federal Emergency Management Agency, or FEMA, Customs and Border Protection, and other U.S. government agencies, as well as other nations’ governmental agencies, use our voice and data services for a wide variety of applications. Our voice and data products are used for numerous primary and backup communications solutions, including logistical, administrative, morale and welfare, tactical, and emergency communications. In addition, our products are installed in ground vehicles, ships, and rotary- and fixed-wing aircraft and are used for command-and-control and situational awareness purposes. Our satellite network provides increased network security to the U.S. government because traffic is routed across our satellite constellation before being brought down to earth through the dedicated, secure U.S. government gateway. The U.S. government has made, and continues to make, significant investments to upgrade its dedicated gateway, to purchase our voice and data devices, and to invest directly and indirectly in research and development and implementation support for additional services on our network, such as Distributed Tactical Communications Services, or DTCS, and Iridium Certus.

We also provide engineering and support services to the U.S. government under a contract awarded by the Space Development Agency in May 2022 to General Dynamics Mission Systems, with Iridium as a subcontractor, which we refer to as the SDA contract. Under this contract, General Dynamics Mission Systems and Iridium will build ground entry points and operations centers for the Proliferated Warfighter Space Architecture (PWSA), as well as provide network operations and systems integration services for the SDA’s next tranche of proliferated low-earth orbit satellites.

We sell our products and services to commercial end users through a wholesale distribution network, encompassing approximately 100 service providers, approximately 300 value-added resellers, or VARs, and approximately 85 value-added manufacturers, or VAMs, which create and sell technology that uses the Iridium network either directly to the end user or indirectly through other service providers, VARs or dealers. These distributors often integrate our products and services with other complementary hardware and software and have developed a broad suite of applications using our products and services to target specific lines of business. We expect that demand for our services will increase as more applications are developed and deployed that utilize our technology.

At December 31, 2023, we had approximately 2,279,000 billable subscribers worldwide, representing a 14% increase compared to December 31, 2022. Total revenue increased from $721.0 million in 2022 to $790.7 million in 2023, representing a 10% increase.

Industry

We compete primarily in the mobile satellite services sector of the global communications industry. Mobile satellite services operators provide voice and data services to people and machines using a network of satellites and ground facilities. Mobile satellite services are intended to meet users’ needs for connectivity in all locations where terrestrial wireless and wireline communications networks do not exist, do not provide sufficient coverage, or are impaired, including rural and developing areas that lack adequate wireless or wireline networks, airways, ocean and polar regions where few alternatives exist, and regions where the telecommunications infrastructure has been affected by political conflicts or natural disasters.

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Government organizations, including military and disaster response agencies, non-governmental organizations, and industrial operations and support teams depend on mobile and fixed voice and data satellite communications services on a regular basis. Businesses with global operations require reliable communications services when operating in remote locations around the world. Mobile satellite services users span many sectors, including emergency services, maritime, aviation, government, utilities, oil and gas, mining, recreation, forestry, heavy equipment, construction, railways and other transportation, among others. Many of our customers view satellite communications services as critical to their daily operations.

We believe that increasing mobile penetration creates additional demand for mobile satellite services. According to a 2023 study by the GSM Association, unique mobile subscribers, excluding cellular Internet of Things, or IoT, reached 5.4 billion throughout the world as of the end of 2022 and are projected to reach 6.3 billion by 2030.

We believe that growth in the terrestrial wireless industry has increased awareness of the need for reliable mobile voice and data communications services. In addition, despite significant penetration and competition, terrestrial wireless systems do not cover a large majority of the earth’s surface and are focused mainly in those areas where people live, excluding oceans and other remote regions where ships, airplanes and other remote assets may be. By offering mobile communications services with global voice and data coverage, mobile satellite service providers address the demand from businesses, governments and individuals for connectivity and reliability in locations not consistently served by wireline and wireless terrestrial networks.

The mobile satellite services sector of the global telecommunications industry also benefits from the continued development of innovative, lower-cost technology and applications integrating mobile satellite products and services, including the continued advancement of IoT. We believe that growth in demand for mobile satellite services is driven in large part by the declining cost of these services, the diminishing size and lower costs of voice, data and IoT devices, the rollout of new applications tailored to the specific needs of customers across a variety of markets, and expansion into new international markets.

Communications industry sectors include:
mobile satellite services, which provide customers with voice and data connectivity to mobile and fixed devices using ground facilities and networks of geostationary, or GEO, satellites, which are located approximately 22,300 miles above the equator, medium earth orbit satellites, which orbit between approximately 6,400 and 10,000 miles above the earth’s surface, or low earth orbit, or LEO, satellites, such as those in our constellation, which orbit between approximately 300 and 1,000 miles above the earth’s surface;
fixed satellite services, which typically use GEO satellites to provide customers with broadband communications links between fixed points on the earth’s surface; and
terrestrial services, which use a network of land-based equipment, including switching centers and radio base stations, to provide wireless or wireline connectivity and are complementary to satellite services.

Within the two major satellite sectors, fixed satellite services and mobile satellite services, the products that operators offer differ significantly from each other with respect to size of antenna and types of services that the products can offer. Fixed satellite services providers, such as Intelsat S.A., Eutelsat Communications S.A. and SES S.A., are characterized by large, often stationary or fixed ground terminals that send and receive high-bandwidth signals to and from the satellite network for video and high-speed data customers and international telephone markets. By contrast, mobile satellite services providers, such as us, focus more on voice and data services, where mobility and small-sized terminals are essential. Other mobile satellite service providers include Globalstar, Inc., ORBCOMM Inc., and in some portions of their businesses, Viasat Inc. (following its acquisition of Inmarsat Global Limited) and new entrants such as Space Exploration Technology Corp.’s (SpaceX) Starlink and OneWeb Holdings Limited.

LEO systems, such as the one we operate, generally have lower transmission delays, or latency, than GEO systems, due to the shorter distance signals have to travel, which also enables the use of smaller antennas on mobile devices. Our L-band spectrum is also more resistant to weather interference than the K-band spectrum used by new entrants such as Starlink and OneWeb. We believe the unique interlinked mesh architecture of our constellation, combined with the global footprint of our satellites, distinguishes us from regional LEO satellite operators such as Globalstar and ORBCOMM, by allowing us to route voice and data transmissions to and from anywhere on the earth’s surface without the need for local ground infrastructure. As a result, we are the only mobile satellite services operator offering real-time, weather-resilient, low-latency services with true global coverage, including full coverage of the polar regions.

Our Competitive Strengths
Our Constellation. Our unique satellite constellation provides true global and weather-resilient coverage, which enables our Iridium Certus platform offerings and empowers the development of a range of new global products and services, as well as supporting Aireon’s aircraft tracking service and other hosted payload missions. Our network
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design of 66 operational satellites uses an interlinked mesh architecture to transmit signals from satellite to satellite, which reduces the need for multiple local ground stations around the world and facilitates the global reach of our services. Many of our competitors use GEO satellites, which orbit above the earth’s equator, limiting their visibility to far northern or southern latitudes and polar regions. Some LEO satellites without crosslink architecture from operators like Globalstar and ORBCOMM use an architecture commonly referred to as “bent pipe,” which requires voice and data transmissions to be immediately routed to ground stations in the same region as the satellite and can only provide real-time service when they are within view of a ground station, limiting coverage to areas near where they have been able to license and locate ground infrastructure. The LEO design of our satellite constellation produces minimal voice and data transmission delays compared to GEO systems due to the shorter distance our signals have to travel, and LEO systems typically have smaller antenna and power requirements. Our L-band spectrum is also more resistant to weather interference than the K-band spectrum used by many of our competitors.
Attractive and growing markets. We believe that mobile satellite services will continue to experience growth driven by the increasing awareness of the need for reliable mobile voice and data communications services, the lack of coverage of most of the earth’s surface by terrestrial wireless systems, the continued development of the IoT, and the continued development of other innovative, lower-cost technology, such as applications integrating mobile satellite products and services into other devices, including embedding standards-based satellite technology in smartphones and IoT devices. Only satellite providers can offer global coverage, and developing a satellite network requires significant financial investment, as well as technological and regulatory challenges. We believe that we are well-positioned to capitalize on the growth in our industry from end users who require reliable, easy-to-use mobile communications services in all locations.
Strategic relationship with the U.S. government. The U.S. government is our largest single customer, and we have provided airtime services to the U.S. government (particularly the DoD) since our inception. We believe the U.S. government views our encrypted handset, IoT devices, DTCS and other products as mission-critical services and equipment. The U.S. government continues to make significant investments in a dedicated gateway on a U.S. government site to provide operational security and allow U.S. government handset and IoT users to communicate securely with other U.S. government communications equipment. This gateway is only compatible with our satellite network. In September 2019, we entered into the EMSS contract and continue to see usage of our network under this contract. With ongoing investments by the DoD, we expect to see growth in adoption as enhancements are implemented and new services are launched. We also view the SDA contract as a confirmation and expansion of our strategic relationship with the U.S. government.
Wholesale distribution network. The specialized needs of our global end users span many markets, including emergency services, maritime, aviation, government, utilities, oil and gas, mining, recreation, forestry, heavy equipment, construction, railways and other transportation. We sell our products and services to commercial end users through a wholesale distribution network of service providers, VARs and VAMs, which often specialize in a particular line of business. Our distributors use our products and services to develop innovative and integrated communications solutions for their target markets, embedding our technology in their products or combining our products with other technologies, such as GPS and terrestrial wireless technology. In addition to promoting innovation, our wholesale distribution model allows us to capitalize on the research and development expenditures of our distribution partners, while lowering overall customer acquisition costs and mitigating some risks, such as consumer relationship risks. By supporting these distributors as they develop new products, services and applications, we believe we create additional demand for our products and services and expand our target markets at a lower cost than would a more direct marketing model. We believe our distribution network can continue to grow with us and increase our market penetration. For example, our network, spectrum and architecture are ideally suited to small, handheld devices used for personal communications, and we have leveraged our wholesale distribution approach to provide a wide array of such personal communications services using both Iridium and partner devices.

Our Business and Growth Strategies
Leverage our largely fixed-cost infrastructure to grow our service revenue. Our business model is characterized by high capital costs, primarily incurred every 10 to 15 years, in connection with designing, building and launching new generations of our satellite constellation, and a low incremental cost of providing service to additional end users. We believe that service revenue will continue to be our largest source of future growth and profits, and we intend to focus on growing both our commercial and government service revenue in order to leverage our largely fixed-cost infrastructure. In particular, we believe that competitive broadband, midband and narrowband data services through Iridium Certus and satellite IoT services, where we are engaging large, global enterprises as long-term customers for data and telematics solutions, represent our greatest opportunities for service revenue growth.
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Expand our target markets through the development of new products and services. We believe that we can expand our target markets by developing and offering a broader range of products and services, including a wider array of cost-effective and competitive broadband, midband, safety services, and IoT data services using our proprietary Iridium Certus technology to complement and expand on our legacy narrowband services. Iridium Certus is a multi-service technology platform that can deliver a range of services, from voice to a high-throughput L-band data connection, at a range of competitive price points, data speeds, and terminal dimensions to meet an expanding set of customer requirements. Beyond Iridium Certus technology, we also plan to expand our target markets by adding in a standards-based IoT solution. For example, during 2024, we announced Project Stardust, which is what we call our new, multi-year project to develop standards-based Narrowband-Internet of Things (NB-IoT) and Non-Terrestrial Network (NB-NTN) messaging and SOS capabilities for smartphones, tablets, cars and related consumer applications.
Accelerate the development of personal communications capabilities. Part of our strategy for the development of personal mobile satellite communications is to allow individuals to connect to our network in more ways, including from devices such as smartphones, tablets and laptops through our Iridium GO!® and Iridium GO! exec® devices or a variety of personal communication devices from VAMs and VARs like Garmin. We are making our technology more accessible and cost-effective for our distribution partners to integrate by licensing our core technologies; by adding functionality, such as push-to-talk, or PTT, capability, which allows multiple users to participate in talk groups worldwide; by providing rugged, dependable devices and services; and by developing new services that take advantage of the capabilities of our global constellation.
Continued growth in services provided to the U.S. government. Under our EMSS contract, we provide Iridium airtime services, including unlimited global standard and secure voice, paging, fax, Short Burst Data®, or SBD®, Iridium Burst®, Router-Based Unrestricted Digital Interworking Connectivity Solutions (or RUDICs) and DTCS services for an unlimited number of DoD and other federal government subscribers. The fixed-price annual rate of the EMSS contract through September 2024 is $106 million, with increases thereafter up to $110.5 million for the final contract year ending in September 2026. Other services such as Iridium Certus and Satellite Time and Location provide us with opportunities to offer new products and services to the U.S. government for an additional fee.
Continue to expand our distribution network. We believe our wholesale distribution network lowers our costs and risks, and we plan to continue to selectively expand our network of service providers, VAMs and VARs, to expand our sales and distribution efforts geographically, and to add additional industries or lines of business. We expect that our current and future value-added partners will continue to develop customized products, services and applications targeted to the land mobile, IoT, maritime, aviation and government markets. We believe these markets and the new service providers, VAMs and VARs who join our network as a result of new product offerings represent an attractive opportunity for continued subscriber and revenue growth.
Continue to support Aireon in the execution of its business plan. Aireon, which we formed in 2011, with subsequent investments from five ANSPs, is our primary hosted payload customer. Aireon developed an ADS-B receiver payload that is hosted on our satellites and gathers ADS-B position information from aircraft to provide a global air traffic surveillance service. Aireon has contracted to offer its service to ANSPs and other commercial customers worldwide. Aireon has also contracted to pay us a fee to host their payloads on our satellites and pays us data service fees for the delivery of the air traffic surveillance data from those payloads over the Iridium system. We also continue to hold a meaningful equity stake in Aireon.

Distribution Channels
 
We sell our products and services to customers through a wholesale distribution network of approximately 100 service providers, approximately 300 VARs and approximately 85 VAMs. These distributors sell our products and services to end users, either directly or indirectly through service providers, VARs or dealers. Of these distributors, over 53 sell primarily to U.S. and international government customers. Our distributors often integrate our products and services with other complementary hardware and software and have developed individual solutions targeting specific lines of business. We also sell airtime services directly to the U.S. government, including the DoD, for resale to other government agencies. The U.S. government and international government agencies may purchase additional services as well as our products and related applications through our network of distributors.

We provide our distributors with support services, including assistance with coordinating end user sales and marketing, strategic planning and training, and second-tier customer support, as well as helping them market our products and services and respond to new business opportunities. We have representatives covering three regions around the world to better manage our distributor relationships: the Americas, which includes North, South and Central America; Asia Pacific, which includes Australia and Asia; and Europe, the Middle East, Africa and Russia. We have also established a global service program to
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provide portside service for our maritime customers at major ports worldwide. In addition, we maintain various online management tools that allow us to communicate efficiently with our distributors and allow them to manage their customers’ Iridium devices from anywhere in the world. By relying on our distributors to manage end user sales, we believe that we reduce some of the risks and costs related to our business, such as consumer relationship risks and sales and marketing costs, while providing a broad and expanding distribution network for our products and services with access to diverse and geographically dispersed niche markets. We are also able to benefit from the specialized expertise of our distributors, who continue to develop innovative and improved solutions and applications integrating our product and service offerings, providing us with an attractive platform to support our growth.

Commercial Markets

We view our commercial business as our primary source of long-term growth. Service providers and VARs serve as our main distribution channel by purchasing our products and services and marketing them directly to their customers or indirectly through independent dealers. They are each responsible for customer billing, end user customer care, managing credit risk and maintaining all customer account information. If our service providers or VARs provide our services through dealers, these dealers will often provide such services directly to the end user. Service providers typically purchase our most basic products and services, such as mobile voice services and related satellite handsets, and offer additional services such as voicemail. Unlike service providers, our VARs typically focus more on data applications and provide a broader array of value-added services specifically targeted to the niche markets they serve, such as IoT, maritime, aviation and government markets, where high-use customers with specialized needs are concentrated. These VARs integrate our handsets, transceivers, high-speed data devices and SBD modems with other hardware and software to create packaged solutions for end users. Examples of these applications include cockpit voice and data solutions for use by the aviation sector and voice, data and tracking applications for industrial customers, such as Caterpillar Inc., the DoD, and other U.S. and foreign government agencies. Our service providers include satellite service providers such as Marlink AS, Applied Satellite Technology Limited and Network Innovations, as well as some of the largest telecommunications companies in the world, including Telstra Limited, KDDI Corporation and Singapore Telecommunications Limited (Singtel). Our VARs include ARINC Incorporated, Beam Communications Pty Ltd., Blue Sky Network, LLC, Garmin Services Inc., Garmin International Inc., Gogo Business Aviation LLC, Komatsu Ltd, Kore Telematics Inc., MetOcean Telematics Limited, NAL Research Corporation, and Zunibal S.A.

We also sell our products to VAMs, who integrate our transceivers or chipsets into their proprietary hardware. These VAMs produce specialized end-user equipment, including integrated ship, vehicular and aviation communications systems, and global asset tracking devices, which they offer to end users in IoT, maritime, aviation and government markets. As with our service providers and VARs, VAMs sell their products either directly or through other distributors, including some of our service providers and VARs. Our VAMs include Calamp Wireless Networks Corporation, Garmin Services Inc., Jacobs Technology, Inc., and Lars Thrane A/S.

In addition to VARs and VAMs, we maintain relationships with approximately 95 value-added developers, or VADs. We typically provide technical information to these companies on our products and services, which they then use to develop software and hardware that complements our products and services in line with the specifications of our VARs and VAMs. These products include handset docking stations, airline tracking and flight management applications and crew e-mail applications for the maritime industry. We believe that working with VADs allows us to create new platforms for our products and services and increases our market opportunity while reducing our overall research and development, marketing, and support expenses. Our VADs include AeroAntenna Technology, Inc., AnsuR Technologies AS, ASIQ Pty Ltd. Crib Gogh Ltd, Ocean and Coastal Environment Sensing Inc., Rockwell Collins Inc. and two10degrees Limited.

We use a wholesale rate structure for our commercial products and services. Under our distribution agreements, we charge our distributors wholesale rates for commercial products and services, subject to discount and promotional arrangements and geographic pricing. We also charge fixed monthly access fees per subscriber for some of our services. Our distributors are in turn responsible for setting their own pricing to end users. Our agreements with distributors typically have terms of one year and are automatically renewable for additional one-year terms, subject to termination rights. We believe this business model reduces back-office complexities and costs and allows distributors to remain focused on revenue generation, while also providing incentives for distributors to focus on selling our commercial product and service portfolio and developing additional applications.

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Government Markets

We provide mission-critical mobile satellite products and services to all military branches of the DoD as well as to other U.S. government departments and agencies. These users require voice and two-way data capability with global coverage, low latency, mobility and security and often operate in areas where no other terrestrial or wireless means of communications are available. We believe we are well positioned to satisfy demand from these users. Our 9575A handset is the only commercial, mobile handheld satellite phone capable of Type I encryption accredited by the U.S. National Security Agency for Top Secret voice communications. In addition, the U.S. government continues to make significant investments in a dedicated gateway that provides operational security and allows users of encrypted Iridium handsets to communicate securely with other U.S. government communications equipment. These investments include upgrading the gateway to take advantage of the enhanced capabilities of our network, including Iridium Certus and other enhanced services. This U.S. government gateway is only compatible with our satellite network.

We provide airtime and airtime support to U.S. government and other authorized customers pursuant to our seven-year EMSS contract managed by the U.S. Space Force, which we entered into in September 2019. Under the terms of this agreement, authorized customers utilize our airtime services through the U.S. government’s dedicated gateway. These services include unlimited global standard and secure voice, broadcast, netted, or DTCS, and select other services for an unlimited number of U.S. government subscribers. Other services may be purchased at an additional cost. The fixed-price rate for the current year of the EMSS contract is $106 million, with increases in annual value resulting in a total contract value of $738.5 million over the seven-year term. While we sell airtime directly to the U.S. government for resale to end users, our hardware products are sold to U.S. government customers through our network of distributors, who typically integrate them with other products and technologies. We may provide other services, such as Iridium Certus, to the U.S. government under separate arrangements for an additional fee.

We also provide maintenance services for the U.S. government gateway pursuant to our Gateway Maintenance and Support Services, or GMSS, contract managed by the U.S. Space Force. This agreement, which became effective in April 2019, has a total contract value to us of approximately $60.4 million. The GMSS contract has been extended through March 31, 2024, as we negotiate a renewal of the agreement.

In September 2019, we were also awarded a five-year indefinite-delivery/indefinite-quantity gateway evolution contract managed by the U.S. Space Force to enable ongoing innovation and enhancements for the U.S. government gateway. This contract has a total contract value to us of $76 million. We expect to renew this agreement prior to its expiration in September 2024.

In May 2022, the SDA awarded General Dynamics Mission Systems, with Iridium as a subcontractor, the SDA contract, to establish the ground Operations and Integration (O&I) segment for Tranche 1 of the PWSA. The SDA contract has an estimated value of $324.5 million, which includes a $163 million base amount and $161.5 million in options. We expect to receive $202 million in revenue over the course of the contract’s seven-year term. Revenues from the SDA contract contributed to our higher engineering and support service revenue in 2023, as well as associated expenses, compared to the prior year, and we expect that higher level of revenues and expenses to continue throughout the life of the SDA contract.

U.S. government services, including engineering services, accounted for approximately 25% of our total revenue for the year ended December 31, 2023. Our reported U.S. government revenue includes airtime revenue derived from the EMSS contract and services provided through the GMSS contract, the gateway evolution contract, and other engineering and support contracts with the U.S. government, primarily the SDA contract. Pursuant to federal acquisition regulations, the U.S. government may terminate the EMSS, GMSS, gateway evolution, or SDA contracts, in whole or in part, at any time.

Our government revenue does not include airtime services purchased by U.S. or non-U.S. government agencies that are provided through our commercial gateway, which we report as commercial service revenue, or equipment purchased by government customers from third-party distributors. We are unable to determine the specific amount of U.S. government revenue derived from these commercial sources.

Lines of Business

The specialized needs of our global customers span many markets. Our system is able to offer our customers cost-effective communications solutions with true global coverage in areas unserved or underserved by existing telecommunications infrastructure. Our mission-critical communications solutions have become an integral part of the communications and business
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infrastructure of many of our end users. In many cases, our service is the only connectivity for these critical applications or is used to complement terrestrial communications solutions.

Our current principal vertical lines of business include land mobile, maritime, aviation, IoT, hosted payloads and other data services, and U.S. government. We report commercial voice and data service, IoT data service, commercial broadband, hosted payload and other data service, and government service revenue separately. Land mobile and aviation are the principal contributors to the revenue we report as commercial voice and data, while maritime is primarily reported in commercial broadband revenue.

Commercial Voice and Data and Commercial Broadband

We offer commercial voice and data and commercial broadband services primarily in the land mobile, maritime, and aviation sectors. We separately report commercial Iridium Certus broadband revenue with Iridium OpenPort® service revenue as commercial broadband revenue. Because there is considerable overlap in these services, we have combined our discussion of these revenue lines in this report, noting within the discussion where our broadband services contribute, particularly in maritime.

Land Mobile

We are the leading provider of mobile satellite communications services to the land mobile sector, providing handset services to areas not served or inconsistently served by existing terrestrial communications networks. Mining, forestry, construction, oil and gas, utilities, heavy industry and transport companies as well as the military, public safety and disaster relief agencies are significant users of our land mobile services. Sales of Iridium GO! and Iridium PTT services also contribute to the land mobile sector. We believe that demand for mobile communications devices operating outside the coverage of terrestrial networks, combined with our small, lightweight, durable handsets with truly global coverage, will allow us to capitalize on growth opportunities among these users.

In addition, we believe Iridium Certus broadband land mobile units are attractive in this market, as the combination of price, speeds, equipment, reliability in various weather conditions, and durability of equipment addresses a distinct market need. We also expect Iridium Certus midband products and services, such as our new Iridium GO! exec device, to be a source of revenue growth in the coming years.

Our land mobile end users utilize our satellite communications services for:
Voice and data: Multinational corporations in various sectors use our services for business telephony, email and data transfer services, location-based services, and broadband for employees in areas inadequately served by terrestrial networks. Oil and gas and mining companies, for example, provide their personnel with our equipment solutions while surveying new drilling and mining opportunities and while conducting routine operations in remote areas that are not served by terrestrial wireless communications networks. In addition, a number of recreational, scientific and other outdoor users rely on our mobile handheld satellite phones and services for use when beyond terrestrial wireless coverage. Iridium PTT offers non-governmental organizations (NGOs), military, first responder, oil and gas, civil government and other users the ability to hold group calls using the Iridium Extreme® PTT handset or other devices developed by our VAMs and VARs using the Iridium 9523 PTT core transceiver. The Thales MissionLINK terminal, the first Iridium Certus offering in the land mobile area, allows rapid deployment and on-the-move communications, location tracking and telemetry. In 2022 and 2023, several VAMs introduced products supporting midband capabilities for land-based applications including remote monitoring, business continuity, and fleet management.
Mobile and remote office connectivity: A variety of enterprises use our services to make and receive voice calls and to establish data, email, internet and corporate network connections.
Public safety and disaster relief: Relief agencies, such as FEMA, and other agencies, such as the Department of Homeland Security, use our products and services in their emergency response plans, particularly in the aftermath of natural disasters such as the California and Maui wildfires in 2023, the volcanic eruption in Tonga in 2022, Hurricanes Ian and Nicole in 2022, and earthquakes in Haiti in 2021 and the Mexico City area in 2017. These agencies generate significant demand for both our voice and data products, especially in advance of the hurricane season in North America. Further, many enterprises and governments include mobile satellite services such as ours as part of their PACE (Primary/Alternate/Contingency/Emergency) plan, to maintain communications continuity in case of terrestrial communication network outages.
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Public telephone infrastructure: Telecommunications service providers use our services to satisfy regulatory mandates and government expectations regarding the availability of communications services for rural populations currently not served by terrestrial infrastructure. Telstra Corporation, for example, uses our services to provide communications services in some of Australia’s most remote locations.
Maritime

We serve the commercial maritime market with a variety of products, including broadband terminals, embedded devices and handsets. This market includes merchant shipping, fishing, leisure and research vessels, and specialized watercraft. Since we introduced Iridium Certus broadband in January 2019, Iridium Certus services have accounted for an increasing portion of our revenue from this market, and we expect that trend to continue, although we still support our legacy broadband offering, Iridium OpenPort service. Our products and services targeting the maritime market typically have high average revenue per subscriber. Once one of our maritime systems is installed on a vessel, it often generates a multi-year recurring revenue stream from the customer. To take advantage of this, from time to time, we may offer promotions or rebates to accelerate new customer acquisitions and solidify this expected long-term revenue stream.

We believe Iridium Certus, which offers data speeds of up to 704 Kbps, presents a compelling communication solution for L-band users in the maritime market. Iridium Certus has been increasingly installed on oceangoing vessels as a companion to Ku-band Very Small Aperture Terminal, or VSAT, and new Non-Geostationary Orbit, or NGSO, providers, and we have seen lower usage levels of those other providers on some vessels where we had previously been used as the primary communications service. We expect additional offerings, such as the Iridium Certus 200 service, to increase the addressable market for our maritime services.

Maritime end users utilize our satellite communications services for the following:
Business critical data applications: Ship operators use our services to exchange email and data files and to receive other information such as meteorological reports, emergency bulletins, cargo and voyage data and electronic chart updates. We believe the breadth of our Iridium Certus offerings provides attractively priced options for shipping operators and fishing fleets seeking increased functionality, as well as for yachts, work boats and other vessels for which traditional marine satellite systems have typically been costly and underperforming. In conjunction with our distributors, we also offer services that permit service providers and VARs to offer complete integrated solutions for prepaid calling, email and IP-based data communications. For example, one of our distribution partners, Marlink Inc., has been integrating Iridium Certus with its miniature Very Small Aperture Terminal, or mini-VSATSM, broadband service to provide companion connectivity when the mini-VSAT terminal is out of its coverage area or non-operational.
Voice services: Maritime global voice services are used for both vessel operations and communications for crew welfare. Merchant shipping companies use phone cards for crew use at preferential around-the-clock flat rates.
Vessel management and asset tracking: Shipping operators use our services to manage operations on ships and to transmit data, such as course, speed and fuel stock. Our services are commonly integrated with GPS to provide a real-time position reporting capability. Many fishing vessels are required by law to carry terminals using approved mobile satellite services for tracking purposes as well as to monitor catches and to ensure compliance with geographic fishing restrictions. European Union (EU) regulations, for example, require EU-registered fishing vessels of over 15 meters to carry terminals for the purpose of positional reporting of those vessels. Furthermore, new environmental regulations in some jurisdictions are expected to require monitoring of merchant vessels in territorial waters, which would provide an additional growth opportunity for us.
Safety and Security applications: Ships in distress, including as a result of potential piracy, hijack or terrorist activity, rely on mobile satellite voice and data services. The Ship Security and Alert Systems, or SSAS, and Long Range Identification Tracking, or LRIT, regulations were adopted by the International Maritime Organization, or IMO, to enhance maritime security in response to the threat from terrorism and piracy. Most deep-sea passenger and cargo ships must be fitted with a device that can send an alert message containing the ship’s ID and position whenever the ship is under threat or has been compromised. In addition, the IMO and a NATO advisory group have recommended the installation of a safe room or citadel equipped with a standalone secure communication link the crew can use from inside the room to communicate with rescuing forces. Our distribution partners have developed several product solutions using our network to meet these requirements for merchant and fishing vessels.
In addition, we have been recognized by the IMO as a provider for the GMDSS. The GMDSS is a maritime service built to alert a maritime rescue coordination center of each vessel’s situation and position, information that can then be used to coordinate search and rescue efforts among ships in the area. As part of the GMDSS service, navigational and meteorological information
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is distributed to vessels. The IMO requires all vessels flagged by signatories to the International Convention for the Safety of Life at Sea, or SOLAS, over 300 gross tons and certain passenger vessels, irrespective of size, that travel in international waters to carry distress and safety terminals that provide GMDSS services. GMDSS service using our network became available in 2020, and our partners offer maritime terminals that include GMDSS service capabilities to vessel operators.

Aviation

We are one of the leading providers of mobile satellite communications services to the aviation sector, and we continue to see aviation as an area of potential revenue growth. Our services are increasingly used in commercial and government aviation applications, principally by business jets, corporate and government helicopter fleets, specialized general aviation fleets, such as medevac companies and fire suppression fleets, and high-end personal aircraft. Our services are also employed by commercial airline operators for flight deck voice and data link services for aircraft operational and safety communications. As a result of authorizations by the U.S. Federal Aviation Administration, or FAA, and U.S. Federal Communications Commission, or FCC, for us to provide air traffic datalink communications, commercial operators are installing avionics that use the Iridium network on the flight deck to comply with international air navigation communications requirements to operate in oceanic and remote airspace, including polar regions. Voice and data avionics platforms from our VAMs have been adopted as standard equipment and as factory options for a range of airframes in business aviation and air transport, such as Gulfstream Aerospace Corporation, Bombardier Inc., Cessna Aircraft Company, Boeing and Airbus. Avionics platforms that utilize our network are also retrofitted on thousands of corporate and commercial aircraft already in operation.

Aviation end users utilize our satellite communications services for:
Air traffic control communications and safety applications: The International Civil Aviation Organization, or ICAO, has approved standards and recommended practices allowing us to provide Aeronautical Mobile Satellite (Route) Service, or AMS(R)S, to commercial aircraft on long-haul routes. This allows member states to evaluate and approve our services for safety communications on flights in oceanic and remote airspace. The FAA has approved Iridium for use in the Future Air Navigation Services, or FANS, including Automatic Dependent Surveillance - Contract, or ADS-C, datalink communications and Controller-Pilot Data Link Communications, or CPDLC, with air traffic control. Aircraft crew and air traffic controllers use our services for data and voice communications between the aircraft flight deck and ground-based air traffic control facilities. We are the only satellite provider capable of offering these critical flight safety applications around the entire globe, including the polar regions. We believe this particular sector of the market provides us with significant growth opportunities, as our services and applications can serve as a cost-effective alternative to systems currently in operation.
Aviation operational communications: Aircraft crew and ground operations use our services for air-to-ground telephony and data communications. This includes the ADS-C automatic reporting of an aircraft’s position and mission-critical condition data to the ground and CPDLC for clearance and information services. We provide critical communications applications for numerous airlines and air transport customers, including Hawaiian Airlines, United Airlines, UPS, Fedex, Cathay Pacific Airways, Delta Airlines, Southwest Airlines, American Airlines, Iceland Airlines, and El Al Airlines. These operators rely on our services because other forms of communication may be unaffordable or unreliable in areas such as the polar regions. Collins Aerospace (ARINC) and SITA, the two leading providers of voice and data link communications services and applications to the commercial airline industry, integrate our products and services into their offerings.
Aviation passenger communications: Corporate and private fleet aircraft passengers use our services for air-to-ground telephony and data communications. We believe our distributors’ small, lightweight, cost-effective solutions offer an attractive option for aircraft operators, particularly small fleet operators; for example, some operators use our services to enable small-cabin passengers to email using their own Wi-Fi-enabled mobile devices, including smartphones, without causing interference with aircraft operation. We expect that users in the corporate aviation market, and original equipment manufacturers, or OEMs, for business jets, will increase adoption of our services for in-flight passenger data communications using our network. We believe this presents a significant opportunity to increase market penetration and revenues in this market.
Rotary and general aviation applications: The Iridium network is uniquely suited to these sectors, as we have small antenna designs that work under rotor blades and enable installation on smaller general aviation platforms. We are also a major supplier for rotary aviation applications to end users in a number of markets, including medevac, law enforcement, oil and gas, and corporate work fleets. Companies such as Air Logistics, EagleMed and Air Evac Lifeteam rely on applications from our distributors for traditional voice communications, fleet tracking and management, and real-time flight diagnostics. VARs and VAMs such as Flightcell International Limited, Garmin
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Services Inc., Honeywell International, Inc., SkyTrac Systems Limited, and Spider Tracks Limited incorporate Iridium products and services into their applications for these markets.
Unmanned Aerial Vehicles (UAVs): Our small antennas and system designs support a wide range of UAV platforms. In addition, our global footprint enables reliable, beyond-line-of-sight communications for these UAV platforms regardless of their operational range. We operate as the communication link for remote-piloted aircraft for uses such as package delivery, medical supply, power-line inspection, law enforcement, corporate surveying and even military applications.
We believe the benefits of Iridium Certus enhance our ability to address aviation market needs across these sectors.

Commercial IoT Data

We are one of the leading providers of satellite-based IoT services. We believe this market continues to experience increasing penetration and presents opportunities for future growth. As with land mobile, our largest IoT users include mining, construction, oil and gas, utilities, heavy industry, maritime, forestry and transport companies, as well as the military, public safety and disaster relief agencies. We believe increasing demand for automated data collection processes from mobile and remote assets operating outside the coverage of terrestrial wireline and wireless networks, as well as the continued need to integrate the operation of such assets into enterprise management and information technology systems, will likewise increase demand for our IoT applications.

Our IoT services are used for:
Personal tracking devices and location-based services: Several of our VARs, such as Garmin Services Inc., ACR Electronics, and Zoleo, Inc., market small, portable devices that provide personal tracking and data communications services to consumers and commercial end users. In addition, Iridium GO! and the Iridium Extreme handsets offer personal tracking and location-based services. These devices use IoT data services to send location information and other data to web-based portals for tracking.
Heavy equipment telematics: Large, global heavy equipment original equipment manufacturers, such as Caterpillar Inc., Komatsu Ltd, Hitachi Construction Machinery Co. Ltd., Hyundai Doosan Infracore Co. LTD and Appareo Systems LLC, use our global IoT services to monitor their off-road heavy equipment in markets such as construction, mining, agriculture and forestry.
Fleet management: Our global coverage permits our products and services to be used to monitor the location of vehicle fleets, hours of service and engine telemetry data, as well as to conduct two-way communications with drivers around the world. Fleet management companies, such as I.D. Systems, Mix Telematics International (Pty) Ltd, and Omnilink Tecnologia S/A, use our service to provide distance drivers with reliable communications to their dispatchers and their destinations to coordinate changing business needs, and our satellite network provides continuous communications coverage while they are in transit. We expect that the need for more efficient, cost-effective and safer fleet operations, as well as the imposition of regulatory mandates related to driver safety, such as drive-time monitoring, will increase demand for our services in this area.
Fixed-asset monitoring: Multinational corporations, such as oil-field service companies like Schlumberger Limited and ConocoPhillips Company, use our services through one of our service providers to run applications that allow remote monitoring and operation of equipment and facilities around the globe, such as oil pipelines and offshore drilling platforms.
Asset tracking: Leveraging IoT applications developed by several of our distributors, companies use our services and related devices to track assets, including personnel, for logistics, theft-prevention and safety purposes. Companies and organizations that have fleets of vehicles use IoT solutions from Iridium distributors to improve the efficiency of their operations. For example, customers use Trimble Transportation’s solution to provide global communication to transportation assets, and the Department of Homeland Security’s Office of Enforcement and Removal uses Fleet Management Solutions’ IoT solution to transmit position, direction, speed and other data for management of its vehicle fleet.
Resource management: Our global coverage and data throughput capabilities support natural resource management applications, such as fisheries management systems. Three of our VARs—Collecte Localisation Satellites (CLS), MetOcean Telematics Limited and Ground Control Technologies UK Ltd —have developed applications for the fishing industry that enable regulatory compliance of fishing practices in a number of countries around the world.
Scientific data monitoring: The global coverage of our network supports many scientific data collection applications, including the Argo float program of the National Oceanographic and Atmospheric Administration, or NOAA, the Global Ocean Observation project Challenger, operated by Rutgers University, and anti-poaching programs run by the
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Smithsonian National Zoo & Conservation Institute, the Zoological Society of London, and Veterans Empowered to Protect African Wildlife, or VETPAW. These programs rely on our IoT services to collect scientific data from buoys and ocean gliders located throughout the world’s oceans and from wildlife habitats for monitoring and analysis. We believe the increased need for monitoring climate and environmental data associated with global climate change and human impact on the planet will increase demand for these services.

In the future, we expect our value-added partners to develop new IoT solutions with increased capabilities based on our Iridium CertusTM 9770 transceiver and other future midband devices we plan to provide across all of our key IoT vertical markets.

Hosted Payload and Other Data Services

Our Iridium satellites also host customer payloads. We generate revenue from these customers both from the hosted payload capacity and from data service fees. Because the hosted payload revenues are based on a contractual commitment for the life of the Iridium constellation, we recognize revenue from these customers over the expected life of the system. As described elsewhere in this report, in the fourth quarter of 2023 we updated our estimate of the useful life of our satellites, which resulted in an extension of that useful life from 12.5 years to 17.5 years.

In addition to access and usage fees in the vertical lines of business described above, we generate revenue from several ancillary services related to our core service offerings. In conjunction with Satelles, Inc., we offer Satellite Time and Location services, which helps augment GPS and provides reliable location, timing and positioning data. We provide inbound connections from the public switched telephone network, or PSTN, short message services, or SMS, subscriber identity module, or SIM, activation, customer reactivation, and other peripheral services. We also provide research and development services to assist customers in developing new technologies compatible with our system, which we may leverage for use in service and product offerings in the future. We charge our distributors fees for these services.

U.S. Government

We are one of the leading providers of mobile satellite communications services to the U.S. government, principally the DoD. We provide mobile satellite products and services to all branches of the U.S. armed forces. Our voice products are used for a variety of primary and backup communications solutions, including tactical operations, logistical, administrative, morale and welfare, and emergency communications. In addition, our products and related applications are installed on ground vehicles, ships, rotary- and fixed-wing aircraft, embedded in unattended sensors and used for command and control and situational awareness purposes. Global security concerns are among the factors driving demand for our products and services in this sector. See “U.S. Government Services” below for more information.

Seasonality

Our business is subject to seasonal usage changes for commercial customers, and we expect it to be affected by similar seasonality going forward. March through October are typically the peak months for commercial voice traffic and related subscriber equipment sales, given the predominance of population and outdoor activity in the northern hemisphere. U.S. government usage and commercial IoT usage have been less subject to seasonal changes.

Services and Products

At December 31, 2023, we had approximately 2,279,000 billable subscribers worldwide. Our principal services are mobile satellite services, including mobile voice and data services, IoT services, hosted payload and other data services and engineering services. Sales of our commercial services collectively accounted for approximately 62% of our total revenue for the year ended December 31, 2023. We also sell related voice and data equipment to our customers, which accounted for approximately 13% of our total revenue for the year ended December 31, 2023. In addition, we offer services to U.S. government customers, including the DoD. U.S. government services, including engineering services, accounted for approximately 25% of our total revenue for the year ended December 31, 2023.

Commercial Services

Postpaid Mobile Voice and Data Satellite Communications Services

We sell our mobile voice and data services to service providers and VARs who in turn offer such services to end users, either directly or indirectly through dealers, using various packaged solutions such as seasonal or annual plans with differing price
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levels that vary depending upon expected usage. In exchange for these services, we typically charge service providers and VARs a monthly access fee per subscriber, as well as usage fees for airtime resources consumed by their respective subscribers.

Prepaid Mobile Voice Satellite Communications Services

We also offer mobile voice services to service providers and VARs through prepaid plans. Service providers and VARs pay us in advance for defined blocks of airtime minutes with expiration periods in various configurations, generally ranging from 30 days to two years, but which can be extended by the purchase of additional e-vouchers up to a maximum of three or four years. These services are then generally sold to subscribers in the form of prepaid e-vouchers and scratch cards that enable subscribers to use our services on a per-minute basis. We believe service providers and VARs are drawn to these services because they enable greater cost control by eliminating the need for monthly billings and reducing collection costs, and can be sold in countries where credit may not be readily available for end users. Our distributors often offer our prepaid voice services through fixed devices to subscribers in rural villages, at remote industrial, commercial and residential sites, and on ships at sea, among other places. Fixed voice services are in many cases an attractive alternative to handheld mobile satellite communications services in situations where multiple users will access the service within a defined geographic area and terrestrial wireline or wireless service is not available. Fixed phones, for example, can be configured as pay phones that accept prepaid scratch cards and can be installed at a central location, for example in a rural village or on a maritime vessel.

Iridium PTT Service

Building on the foundation of DTCS technology, which provides regional tactical radio service to U.S. government users, our Iridium PTT service enables regional or global PTT calls among users on the same talkgroup in up to 10 customer-defined, geographically disparate locations around the world, providing a fast and robust communication experience. Iridium PTT can be used via the Iridium Extreme PTT satellite phone or the Iridium 9523 PTT core transceiver, which gives our VAMs the ability to build Iridium PTT into existing land mobile, maritime and aviation communications platforms. For example, Icom Inc. of Japan offers a purpose-built satellite PTT radio handheld unit for use on the Iridium network. We and our partners are also developing interoperability solutions for existing terrestrial land mobile radio systems, which will further extend the utility of the service. 

Internet of Things Services

Our IoT services are designed to address the market need for a small and cost-effective solution for sending and receiving data, such as location, from fixed and mobile assets in remote locations to a central monitoring station. Most of our IoT services operate through a two-way SBD transmission or circuit-switched data, between our network and a transceiver, which may be located, for example, on a container in transit or a buoy monitoring oceanographic conditions. The small size of our devices and their low-cost, omnidirectional antennas make them attractive for use in applications such as tracking asset shipments and monitoring unattended remote assets, including oil and gas assets, as well as vehicle tracking and mobile security. We sell our IoT services to our distributors, who incorporate them and in turn provide a solution package to commercial and government customers. Increasingly, our IoT transceivers are being built into products for consumer markets, such as personal location devices that provide two-way messaging. In the future, we expect our IoT partners to develop new offerings with increased capabilities based on our Iridium Certus 9770 transceiver and other future midband devices we plan to create that have optimized size, speed, power, and antenna characteristics for various applications. As with our mobile voice and data offerings, we typically charge service providers and VARs a monthly access fee per subscriber as well as usage fees for data used by their respective subscribers.

Broadband Data Services

Our broadband data offering, Iridium Certus, was launched in January 2019. Iridium Certus is a suite of products and services enabled by our upgraded satellite constellation. Iridium Certus is a multi-service platform capable of offering higher quality voice, enterprise-grade broadband functionality, and safety and security services on a global basis. Iridium Certus is designed to support a variety of cost points, antenna types and data speeds ranging from midband to broadband speeds, currently available up to 704 Kbps. We have licensed the Iridium Certus technology to VAMs who have introduced products for the maritime and land mobile markets and are developing additional products for those markets and the aviation and government markets, as well as distribution partners for the Iridium Certus service in each of these vertical markets. We believe Iridium Certus provides a competitive, cost-effective and reliable range of services to the market, in standalone applications or as a complement to other wireless technologies for critical applications and safety services.

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We also continue to offer our legacy Iridium OpenPort service, which provides maritime, aviation and terrestrial users speeds of up to 134 Kbps and three independent voice lines. For this service, we typically charge service providers monthly access fees and usage fees for airtime consumed by the respective subscribers for voice and data communications. We have discontinued the manufacture of the Iridium Pilot platform that supports Iridium OpenPort services, with those customers often upgrading to Iridium Certus technology.

U.S. Government Services

We provide U.S. government customers bulk access to our services, including voice, netted voice, data, messaging and paging services, as well as maintenance services for the U.S. government’s dedicated gateway. We provide airtime to U.S. government subscribers through the U.S. government’s gateway under the EMSS contract, which is a fixed-price contract covering voice, low-speed data, paging, broadcast and DTCS services. Additional services, such as broadband capabilities utilizing Iridium Certus technology, may be provided at an additional fee. To comply with U.S. government requirements, we ensure handsets sold for use by the U.S. government are manufactured in the United States. U.S. government customers procure our voice and data devices through specific, approved distributors from our network of service providers and VARs. Our VARs and VAMs typically integrate our products with other products, which they then offer to U.S. government customers as customized products, typically provisioned by the U.S. Space Force. Our voice and data solutions for the U.S. government include:
personnel tracking devices;
asset tracking devices for equipment, vehicles and aircraft;
beyond-line-of-sight aircraft communications applications;
maritime communications applications;
specialized communications solutions for high-value individuals; and
specialized, secure, mobile communications and data devices for the military and other government agencies, such as secure satellite handsets with U.S. National Security Agency Type I encryption capability.

With funding support from the U.S. government, we continue to invest in research and development to develop new products and applications for use by all branches of the U.S. armed forces. For example, in conjunction with the U.S. Space Force, we and select distribution partners offer DTCS, which provides critical, secure, PTT, netted communications using lightweight, handheld tactical radios, or add-ons to existing government tactical radios. In addition, we offer a secure satellite phone based on the Iridium Extreme, which we also developed with funding support from the U.S. government and which has been accredited by the National Security Agency, or NSA, to provide Type-1 encryption, enabling communications up to Top Secret from anywhere in the world.

Our Products

We offer a broad array of voice and data products that work worldwide. In most cases, our devices or an antenna must be located outside and within view of a satellite to be able to access our network.

Satellite Handsets and Iridium GO!

Our principal handset offerings are the Iridium 9555 and Iridium Extreme satellite phones. We believe the industrial-strength design of these products is critical for customers, many of whom are located in the most inhospitable spots on the planet and require rugged and reliable communications equipment.

Iridium 9555. The Iridium 9555 provides voice, SMS and narrowband data connectivity. This model features a grayscale screen, SMS capability, an integrated antenna and a speakerphone. The Iridium 9555 weighs 9.4 ounces and offers up to 3.1 hours of talk time. The Iridium 9555 has an industrial feel with a rugged housing to protect its sophisticated satellite transceiver.

Iridium Extreme. The Iridium Extreme adds to the Iridium 9555’s capabilities by providing a rugged exterior that meets Military Standard 810F for durability, a dedicated, two-way emergency SOS button, and fully integrated GPS and location-based services. These extra features are provided in a handset that is even smaller than the Iridium 9555, weighing 8.7 ounces and offering up to four hours of talk time. An emergency response service provided by GEOS Travel Safety Group, or GEOS, is included with the purchase of the phone and airtime usage. The two-way emergency SOS button initiates a voice call and an emergency text message via SMS to GEOS, which then coordinates with local emergency responders.
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Iridium Extreme PTT. The Iridium Extreme PTT enhances the Iridium Extreme with an intelligently designed push-to-talk mode, expanded speakerphone, reinforced PTT button, and extended capacity battery. The user interface provides access to multiple communication services, including voice calling, SMS and SOS, allowing users to connect to a talkgroup located in up to 10 customer-defined geographic regions worldwide. The Iridium Extreme PTT weighs 9.5 ounces and offers up to 6.5 hours of talk time for voice calls and five hours of talk time while using PTT.

Iridium GO! Iridium GO! is a small, rugged, personal connectivity device that connects to the Iridium network to create a Wi-Fi hotspot, enabling the use of smartphones and tablets for voice calls, text messages and emails, posts to social networking sites, and limited use of optimized mobile websites. Iridium GO! also has an emergency SOS button and GPS and location-based services. Smartphone or tablet access is provided through special applications downloaded for free from the Apple App Store or through Google Play for Android smartphones or tablets. A software development kit is available to enable the creation of additional applications or integrate Iridium GO! connectivity into existing applications.

Iridium GO! exec. Iridium GO! exec, a premium version of the Iridium GO!, is powered by our Iridium Certus 100 service and provides IP connectivity to the Internet and up to two high-quality voice lines. Data speeds are up to 40 times faster for downloads and 10 times faster for uploads compared to the Iridium GO!. The Iridium GO! exec has a sleek design with built-in color touch screen and speakerphone for mobile office connectivity and Wi-Fi for access from smartphones or laptops within a range of up to 100 feet. The built-in battery provides up to 24 hours of standby and up to 6 hours of use.

We expect these devices to help us maintain our competitive position as premium offerings in the market due to their capabilities, mobility, reliability and global coverage. In addition to these devices, we offer variants of the Iridium 9555 satellite phone and the Iridium Extreme satellite phone that are qualified for sale to U.S. government customers.

Broadband Data Devices

Iridium Certus terminals are specifically designed for the maritime, aviation, land mobile or government markets and offer a variety of enhanced data speeds and antenna types. Iridium Certus terminals provide enterprise-grade broadband data and high-quality voice capabilities that can be used on a global basis. Iridium Certus is designed to support a variety of cost points, antenna types and data speeds ranging from midband to broadband up to 704 Kbps. We have licensed the Iridium Certus technology to a group of VAMs who have introduced products for the maritime and land mobile markets and are developing additional products for those markets as well as the aviation and government markets.

Iridium Certus is designed for maritime operational and safety services, combining the benefits of L-band with broadband and truly global coverage. Iridium Certus terminals offer reliable connectivity for maritime customers whether used as a standalone service or as a companion to VSAT services. Our principal end users for Iridium Certus in the maritime market are merchant shipping, commercial fishing, large leisure vessels, and work boats. The initial terminals in this market were the Cobham Sailor 4300 and Thales VesseLINK. In addition, Intellian, a Korean maritime terminal manufacturer, introduced an Iridium Certus terminal to the market in 2020, and Thales introduced its VesseLINK 200 terminal, which uses our Iridium Certus 200 service, in 2021. Additional Iridium Certus 200 terminals were launched in 2023, including the Lars Thrane LT-4200, and our partners continue to develop additional products.

In aviation, Iridium Certus delivers critical safety services and in-flight communications. Our principal targeted end users for Iridium Certus in the aviation market include commercial, corporate and government users, general aviation, rotorcraft and unmanned aircraft. Terminals certified in this sector include the Blue Sky Networks SkyLink 7100, Guardian Mobility G6, Atmosphere Planet 9770, Honeywell Aspire 350, Collins IRT NX, and Skytrac SDL-350. A number of other VAMs have been licensed to create aviation terminals using Iridium Certus services, and we expect that additional Iridium Certus aviation products will become commercially available in 2024.

In the land mobile market, enterprises, governments, and individuals that want to maintain mobile IP and telephony connectivity utilize Iridium Certus for their operations while in remote areas without having to deploy ground-based infrastructure or expensive terminals. Iridium Certus devices may be integrated with internet, cellular, land mobile radio, and location-based applications to keep users connected, offering global push-to-talk, situational awareness, email, messaging and voice-over-IP. Our principal end users for Iridium Certus in the land mobile market are military users, rail, first responders, non-governmental organizations, oil and gas users, and remote fleets. Iridium offers Iridium Certus 100, Iridium Certus 200 and
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Iridium Certus 700 services, supporting a portfolio of broadband and midband terminals through our partners to provide a range of capabilities at various price points. Terminals that are approved for the land mobile market include the Thales MissionLINK 700 and 200, BSN SkyLink 5100, NAL Research Quicksilver, and McQ CONNECT.

In the government market, Iridium Certus terminals provide beyond-line-of-sight communications critical to mission
success. The initial terminal in this market is the Thales MissionLINK, with additional terminals expected in the future.

Our legacy broadband terminal, the Iridium Pilot, provides up to three independent voice lines and an internet connection for data communications of up to 134 Kbps, using our Iridium OpenPort service. We have discontinued the manufacture of the Iridium Pilot terminal but still provide the Iridium OpenPort service. With the introduction of the more powerful Iridium Certus terminals, we expect our distributors to focus on selling Iridium Certus and to eventually upgrade ships with Iridium Pilot to Iridium Certus technology.

Voice and Data Modems

We also offer a combined voice transceiver and data modem, which our VAMs integrate into a variety of communications solutions that are deployed in different applications around the world. Our offering in this category is the Iridium Core 9523 L-band transceiver, which utilizes the transceiver core of our Iridium Extreme satellite handset. The Iridium Core 9523 is a small voice and data module that can be integrated with other components and allows our VAMs to design and build products, such as a dual-mode terrestrial radio and satellite phone or IoT applications that require more efficient data throughput via circuit-switched data transmission. The Iridium 9523 PTT adds PTT capability, allowing development partners to design and build land mobile, fixed, aviation and maritime devices with Iridium PTT service. We also offer the Iridium Certus 9770 transceiver, which provides Iridium Certus 100 service to our Iridium GO! exec device and several devices offered by our value-added partners. We expect our partners to continue to develop new products based on our Iridium Certus 9770 transceiver and other optimized midband devices. Our principal customers for our L-band transceivers are VAMs and VARs, who integrate them into specialized devices that access our network.

Internet of Things Data Devices

Our principal IoT devices are the Iridium 9602 and 9603 full-duplex SBD transceivers. The Iridium 9602 is a small data device with two-way transmission, capable of sending packet data to and from any point in the world with low latency. The principal customers for our Iridium 9602 data modems are VARs and VAMs, who embed the device into their tracking, sensor, and data applications and systems, such as asset tracking systems. Our partners often combine the Iridium 9602 with a GPS receiver to provide location information to customer applications. We also offer the Iridium 9603, an even smaller transceiver that is functionally identical to the Iridium 9602. In addition, a number of VARs and VAMs include a cellular modem as part of their Iridium applications to provide low-cost cellular data transmission when available. These types of multimode applications are adopted by end users who require the ability to regularly transfer data but operate in areas with inconsistent cellular coverage. We provide gap-filler coverage for these applications, allowing users to operate anywhere on the globe. In addition, several partners now offer products with Iridium Certus 9770 transceivers supporting Iridium Certus 100 service for IoT, including the SkyLink product from Blue Sky Networks and the RockREMOTE from Ground Control.

Iridium also offers a suite of Iridium Edge® finished IoT products designed to lower the barrier to adoption and speed time to market for customer applications. The Iridium Edge device is an off-the-shelf, environmentally sealed, rugged device that complements existing cellular solutions to create dual-mode connectivity for the most remote and inaccessible areas of the world, reducing the cost and complications associated with hardware development, manufacture and certification of satellite-specific terminals. We also offer Iridium Edge Pro, a standalone IoT device that offers real-time GPS tracking capabilities, with a flexible programming platform that allows partners to create and run their own custom-made applications, and Iridium Edge Solar, a standalone, programmable, solar-powered device that offers real-time GPS tracking in a self-charging, low-maintenance unit with over-the-air configuration that allows partners to create distinct tracking applications.

We also offer Iridium Burst, our one-to-many global data broadcast service, which enables enterprises to send data to an unlimited number of devices anywhere in the world, even inside buildings, vehicles or aircraft.

Device Development and Manufacturing

We contract with Cambridge Consulting Ltd. and other suppliers to develop our devices, with Benchmark Electronics Inc., or Benchmark, to manufacture most of our devices in a facility in Thailand, and with Verigon to manufacture a portion of our
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devices in the United States. We also utilize other suppliers, some of which are the sole source, to manufacture some of the component parts of our devices. Pursuant to our contracts with Benchmark and Verigon, we may be required to purchase excess materials at cost plus a contractual markup if the materials are not used in production within the periods specified in the respective agreements. Benchmark and Verigon generally repurchase the materials from us at the price we paid, as required for the production of the devices. Our agreements with Benchmark and Verigon are automatically renewable for additional one-year terms unless terminated by either party.

We generally provide our distributors with a warranty on subscriber equipment for a period ranging from one year to 18 months from the date of activation, depending on the product.

In addition to our principal products, we also offer a selection of accessories for our devices, including extended-life batteries, holsters, earbud headphones, portable auxiliary antennas, antenna adaptors, USB data cables and charging units. We purchase these products from several third-party suppliers either pursuant to contractual agreements or off the shelf at market prices.

Domestic and Foreign Revenue

We supply services and products to customers in a number of foreign countries. We allocate revenue geographically based on where we invoice our distributors, whom we bill for mobile satellite services and related equipment sales, and not according to the location of the end user. These distributors sell services directly or indirectly to end users, who may be located elsewhere. It is not feasible for us to determine the geographical distribution of revenue from each end user, as we do not contract directly with them. Substantially all of our revenue is invoiced in U.S. dollars. The table below sets forth the percentage of our revenue from the United States and outside of the United States for the last three years. No single country outside the United States represented more than 10% of our revenue for any of the periods indicated.

Year Ended December 31,
202320222021
United States55 %52 %54 %
Other Countries
45 %48 %46 %

For more information about our revenue from sales to foreign and domestic customers, see Note 15 to our consolidated financial statements included in this annual report.

Traffic Originating Outside the United States

Most of our voice and data traffic originates outside the United States. The table below sets forth the percentage of our commercial voice and data traffic originating outside the United States for the last three years.
Year Ended December 31,
202320222021
Commercial voice traffic (minutes)91 %90 %90 %
Commercial data traffic (kilobytes)96 %95 %97 %

Our Network

Our satellite network has an architecture of 66 operational LEO satellites in six orbital planes of eleven vehicles, each in nearly circular polar orbits, in addition to in-orbit spares and related ground infrastructure. Our operational satellites orbit at an altitude of approximately 483 miles (778 kilometers) above the earth and travel at approximately 16,689 miles per hour, resulting in a complete orbit of the earth approximately every 100 minutes. The design of our constellation ensures that generally at least one satellite is visible to subscribers from any point on the earth’s surface at any given time. While our constellation offers true global coverage, most of our devices and antennas must have a direct line of sight to a satellite to transmit or receive a signal, and services on those devices are not available in locations where a satellite signal cannot be transmitted or received, which for some devices includes inside a building.

Our constellation uses radio frequency crosslinks between our satellites, which eliminates the need for local ground infrastructure. These crosslinks enable each satellite to communicate with up to four other satellites in space, two in the same orbital plane and two in adjacent planes. Our traffic is routed on a preplanned route between satellites to a predetermined
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satellite that is in contact with one of the Iridium teleport network, or TPN, locations. The TPN sites then transmit and receive the traffic to and from the gateways, which in turn provide the interface to terrestrial-based networks such as the PSTN, a public land mobile network, or PLMN, and the internet. The use of a TPN allows grounding traffic at multiple locations within our ground network infrastructure. This and other design elements provide flexibility that allows for rapid reconfiguration of grounding traffic from the satellites in the event of a space, antenna or ground routing anomaly and results in greater reliability of our network. The design of our space and ground control system also facilitates the real-time monitoring and management of the satellite constellation and facilitates service upgrades via software enhancements.

We believe our interlinked satellite infrastructure provides several advantages over low-earth-orbiting “bent-pipe” satellite networks that rely on multiple terrestrial gateways, such as Globalstar’s and ORBCOMM’s networks. We have the only satellite network with true global coverage using weather-resilient L-band spectrum, and our constellation is less vulnerable to single points of failure, as traffic can be routed around any one satellite problem to complete the communications path to the ground. In addition, the small number of ground stations increases the security of our constellation, a factor that makes our network particularly attractive to government institutions and large enterprises. The low orbit of our constellation also allows our network to operate with low latency and with smaller antennas due to the proximity of our satellites to the earth.

Our constellation is designed to provide significant coverage overlap for mitigation of service gaps from individual satellite outages, particularly at higher northern and southern latitudes. Each satellite in our constellation was designed with a high degree of on-board subsystem robustness, an on-board fault detection system, and isolation and recovery capabilities for safe and quick risk mitigation. Our ability to reposition our satellites provides us with operating flexibility and enhances our ability to maintain a commercially acceptable level of service. If a satellite should fail or become unusable, in most cases we will be able to reposition one of our in-orbit spare satellites to take over its functions within days, with minimal impact on our services.

We do not currently hold any active in-orbit insurance policies covering losses from satellite failures, and we do not expect to obtain in-orbit insurance covering losses from satellite failures or other operational problems affecting our constellation.

Our primary commercial gateway is located in Tempe, Arizona, with a second dedicated commercial gateway located in Russia. A gateway processes and terminates calls and data and generates and controls user information pertaining to registered users, such as geo-location and call detail records. The U.S. government owns and operates a dedicated gateway for U.S. government users, which provides an interface between voice and data devices and the Defense Information Systems Network and other terrestrial infrastructure, providing U.S. government users with secure communications capabilities. Our network has multiple antennas located at the TPN facilities, including the Tempe gateway, that communicate with our satellites and pass calls and data between the gateway and the satellites as the satellites pass above our antennas, thereby connecting signals from the terminals of end users to our gateways. This system, together with our satellite crosslinks, enables communications that are not dependent on a ground station in the region where the end user is using our services.

We operate our satellite constellation from our satellite network operations center, or SNOC, in Leesburg, Virginia. This facility manages the performance and status of each of our satellites, directing traffic routing through the network and controlling the formation of coverage areas by the satellites’ main mission antennas. We also operate TPN facilities in Fairbanks, Alaska and Tempe, Arizona in the United States, in Svalbard, Norway, and in Punta Arenas, Chile that perform telemetry, tracking and control functions and route commercial services.

From time to time, individual satellites in our constellation experience operating problems that may result in a satellite outage, but due to the overlapping coverage within our constellation and the dynamic nature of our LEO system, the individual satellite outages typically do not negatively affect our customers’ use of our system for a prolonged period. In addition, most system processing related to our service is performed using software on board each satellite instead of on the ground. We believe this provides us with significant flexibility and contributes to the longevity of the constellation by enabling engineers to develop additional functionality and software-based solutions to occasional faults and anomalies in the system.

We continually monitor and upgrade our gateway and TPN facilities as necessary and also maintain an inventory of spare parts. When we do not have necessary spares in inventory or our spares become obsolete, we may rely on third parties to develop necessary parts.

We hold a space station license for the launch and operation of our constellation, which expires February 23, 2032. Our U.S. gateway earth station and the U.S. government customer and commercial subscriber earth station licenses expire between February 2036 and March 2037. We must file renewal applications for earth station licenses between 30 and 90 days prior to expiration.
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The Iridium constellation also hosts the Aireon system. The Aireon system was developed by Aireon LLC, which we formed in 2011 and which received subsequent investments from several ANSPs, to provide a global air traffic surveillance service through a series of ADS-B receivers on our satellites. Aireon has contracted to offer this service to ANSPs, which use the service to provide improved air traffic control services over the oceans, as well as polar and remote regions. Aireon also markets its data and services to airlines and other commercial users.

Under our agreements with Aireon, Aireon will pay us fees of $200.0 million to host the ADS-B receivers on our satellites, of which they have paid us $94.5 million as of December 31, 2023. These fees are recognized over the estimated useful life of the satellites. Additionally, Aireon pays power and data services fees of approximately $23.5 million per year in the aggregate for the delivery of the air traffic surveillance data over the Iridium system.

While the Aireon ADS-B receivers are the primary hosted payload on our satellites, L3Harris utilizes a portion of the remaining space for its customers’ payloads. This agreement resulted in an additional $74.1 million in hosting and data service fees to us, all of which has been paid.

Regulatory Matters

Our Spectrum

We hold licenses to use 8.725 MHz of contiguous spectrum in the L-band, which operates at 1.6 GHz, and allows for two-way communication between our devices and our satellites. In addition, we are authorized to use 200 MHz of K-Band (23 GHz) spectrum for satellite-to-satellite communications, known as inter-satellite links, and 400 MHz of Ka-Band spectrum (19.4 GHz to 19.6 GHz and 29.1 GHz to 29.3 GHz) for two-way communication between our satellites and our ground stations, known as feeder links. We are also authorized to use the 156.0125-162.0375 MHz spectrum for reception of Automatic Identification System transmissions from maritime vessels and the 1087.7-1092.3 MHz spectrum for reception of Automatic Dependent Surveillance-Broadcast transmissions from aircraft. Access to this spectrum enables us to design satellites, network and terrestrial infrastructure enhancements cost effectively because each product and service can be deployed and sold worldwide. Our products and services are offered in over 100 countries, and we and our distributors continue to seek authorizations in additional countries.

Our use of spectrum is globally coordinated and recorded by, and subject to the frequency rules and regulations of, the International Telecommunication Union, or ITU. The ITU is the United Nations organization responsible for worldwide co-operation in the telecommunications sector. In order to protect satellite systems from harmful radio frequency interference from other satellite systems, the ITU maintains a Master International Frequency Register of radio frequency assignments. Each ITU administration is required to give notice of, coordinate and record its proposed use of radio frequency assignments with the ITU’s Radiocommunication Bureau. The coordination negotiations are conducted by the national administrations with the assistance of satellite operators. When the coordination process is completed, the ITU formally notifies all proposed users of frequencies and orbital locations in order to protect the recorded assignments from subsequent nonconforming or interfering uses by member states of the ITU. Only member states have full standing within this inter-governmental organization. Filings to the ITU were made on our behalf by the United States.

The ITU also controls the assignment of country codes used for placing telephone calls between different countries. Our network has been assigned the 8816 and 8817 country codes and uses these numbers for calling and communications between terminals.

Constellation De-Orbiting Obligations

We have certain de-orbit obligations under our FCC licenses. All of our second-generation satellites are subject to a 25-year de-orbit standard under the FCC authorization of our current constellation.

Aireon LLC and Aireon Holdings LLC Agreement
 
We hold our ownership in Aireon LLC through the Amended and Restated Aireon Holdings LLC Agreement, along with subsidiaries of our ANSP co-investors. Aireon Holdings holds 100% of the membership interests in Aireon LLC, which is the operating entity for the Aireon system.

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In June 2022, we entered into a subscription agreement with Aireon Holdings and invested $50 million in exchange for an approximate 6% preferred membership interest. We also hold a common membership interest. The other investors hold the remaining preferred membership interests resulting from their investments in Aireon for an aggregate purchase price of approximately $339 million. At each of December 31, 2023 and 2022, our fully diluted ownership stake in Aireon Holdings was approximately 39.5%. If and when funds are available, Aireon Holdings is required to redeem a portion of our common ownership interest for a payment to us of $120 million, following which we would retain a 27% interest. Based on Aireon’s business plan and restrictions under Aireon’s debt facility, we do not expect this redemption of our ownership interest to occur for several years.

The Aireon Holdings LLC Agreement provides for Aireon Holdings to be managed by a board of directors consisting of 11 members, of which we have the right to nominate two directors. The Aireon Holdings LLC Agreement also provides the minority holders, including us, with several protective provisions. We account for our investment in Aireon Holdings in our consolidated financial statements as an equity method investment.

We and the other Aireon investors have agreed to participate pro rata, based on our respective fully diluted current ownership stakes, in funding an investor bridge loan to Aireon as needed. Our maximum commitment under the investor bridge loan is $11.9 million, although no amount was outstanding at December 31, 2023.
 
Competition
 
The mobile satellite services industry is highly competitive, and we currently face substantial competition from other service providers that offer a range of mobile and fixed communications options. Currently, our principal mobile satellite services competitors are Viasat, Globalstar, ORBCOMM, and Thuraya Telecommunications Co., or Thuraya. We compete primarily on the basis of coverage, quality, mobility and pricing of services and products.

Viasat, following its acquisition of Inmarsat, owns and operates a fleet of GEO satellites. Unlike LEO satellites, GEO satellites orbit the earth at approximately 22,300 miles above the equator. GEO systems require substantially larger and more expensive antennas, and typically have higher transmission delays than LEO systems. Due to its GEO system, Viasat’s coverage area covers most bodies of water except for a majority of the polar regions. Viasat is the leading provider of satellite communications services to the maritime sector. Viasat also offers land-based and aviation communications services.

Globalstar owns and operates a fleet of LEO satellites. Globalstar’s service is available only on a multi-regional basis as a result of its “bent pipe” architecture, which requires that voice and data transmissions be routed from satellites immediately to nearby ground stations. This design requires the use of multiple ground stations, which are impractical in extreme latitudes or over oceans.

ORBCOMM also provides commercial services using a fleet of LEO satellites. Like Globalstar, ORBCOMM’s network also has a “bent pipe” architecture, which constrains its real-time coverage area. ORBCOMM’s principal focus is low-cost data and IoT services, where it directly competes with our IoT offerings. Because a ground station may not be within view of a satellite, ORBCOMM’s services may have a significant amount of latency, which may limit their use in some mission-critical applications. ORBCOMM does not offer voice service or high-speed data services.

We also compete with regional mobile satellite communications services in several geographic markets. In these cases, the majority of our competitors’ customers only require regional, not global, mobile voice and data services, so our competitors may present a viable alternative to our services. All of these regional competitors operate or plan to operate GEO satellites. Our regional mobile satellite services competitors currently include Thuraya, principally in Europe, the Middle East, Africa, Australia and several countries in Asia.

In addition, there are a number of more recent entrants to the mobile satellite services industry, including Starlink and OneWeb, with varying constellation designs and business models. These newer entrants are primarily focused on commodity broadband services, where Iridium often operates as a companion service. We also see some of these companies investing in direct-to-device services that in the future may increase competition for products Iridium is offering or plans to offer.

While we view our services as largely complementary to terrestrial wireline and wireless communications networks, we also compete with them indirectly. We provide service in areas that are inadequately covered by these ground systems. To the extent that terrestrial communications companies invest in underdeveloped areas, we will face increased competition in those areas. We believe that local telephone companies currently are reluctant to invest in new switches, landlines and cellular towers to
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expand their networks in rural and remote areas due to high costs and limited usage. Many of the underdeveloped areas are sparsely populated, making it difficult to generate the necessary returns on the capital expenditures required to build terrestrial wireless networks in those areas. We believe that our solutions offer a cost-effective and reliable alternative to terrestrial-based wireline and wireless systems in these remote regions.
 
Research and Development
 
Our research and development efforts have focused on the development, design and testing of our new constellation and new products, such as Iridium Certus, Iridium Messaging Transport, Iridium Edge, Iridium PTT, Iridium Burst, Iridium GO!, Iridium GO! exec, transceiver modules and chipsets. We also develop network and product enhancements and new applications for our existing products. Our research and development expenses were $20.3 million, $16.2 million and $11.9 million for the years ended December 31, 2023, 2022, and 2021, respectively.
 
Employees and Human Capital Resources
 
Employees

As of December 31, 2023, we had 760 full-time employees and six part-time employees, none of whom are subject to any collective bargaining agreement. We consider our employee relations to be good.

Human Capital Resources

Our company is made up of varied and creative teams, and we are committed to creating an innovative and inclusive environment where our employees are proud to work. We foster this goal by focusing on development, employee wellness and social responsibility. This starts with an onboarding process that introduces our core mission and values, policies and procedures, performance review process and background about our company. We support our employees in their career development by providing on-the-job training and education reimbursement to help employees maintain or enhance skills in their current position or help with acquiring new skills to prepare for future opportunities. To measure employee engagement, we conduct an annual survey to assess and track retention and satisfaction. We take responses from our employees seriously and use them to inform specific strategies every year tailored to both the entire company as well as specific teams. In addition to performing benchmarking, we also conduct an annual survey to understand what benefits are important to our employees and ensure that we are offering a competitive total rewards package.

We offer various ways for our employees to stay engaged, including participation in Employee Resource Groups, or ERGs, volunteer activities through the Iridium Cares Program, and other outreach efforts that cover a range of topics and interests.

In 2023, we launched our first cohort of the Iridium Orbit Program. Participants in this program embed with three engineering teams over 18 months, completing six-month rotations in operations, engineering, and customer care across our company in Arizona and Virginia. This program aims to increase cross-functional knowledge and ensure new hires feel engaged and supported in their new roles.

We formed our Diversity and Inclusion Advisory Council in 2020, and it has identified four objectives to make our Iridium community, and the world, a more diverse and inclusive place:
Helping to recruit and retain team members with diverse backgrounds and experiences;
Fostering participation in activities supporting diversity and inclusion within our communities;
Training, educating, and communicating with team members on the importance of diversity and inclusion to our culture and viability; and
Periodically assessing our continual growth toward greater diversity and inclusion.

In 2022, we introduced the Uplinks program, which aims to embrace new ideas and the diversity of thinking across our teams. This popular program pairs employees from different generations to encourage intra-company conversations and promote collaboration. We currently have four working groups to put these objectives into practice. Each working group has its own goals, stakeholder relationships, strategy and executive sponsorship.

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Intellectual Property
 
At December 31, 2023, we held 38 U.S. patents and one foreign patent. These patents relate to several aspects of satellite systems, global networks, communications services, and communications devices.
 
In addition to our owned intellectual property, we also license critical intellectual property from Motorola Solutions to operate and maintain aspects of our network and related ground infrastructure and services as well as to design and manufacture certain of our devices. This intellectual property is essential to our ability to continue to operate aspects of our constellation and sell certain of our services and devices. We maintain our licenses with Motorola Solutions pursuant to several agreements, any of which can be terminated by Motorola Solutions upon the commencement by or against us of any bankruptcy proceeding or other specified liquidation proceedings or upon our material failure to perform or comply with any provision of the agreements. If Motorola Solutions were to terminate any such agreement, it may be difficult or, under certain circumstances, impossible to obtain the technology from alternative vendors.

We license additional intellectual property and technology from other third parties and expect to do so in the future in connection with our network and related ground infrastructure and services as well as our devices. If any such third party were to terminate its agreement with us or cease to support and service such intellectual property or technology, or if we are unable to renew such licenses on commercially reasonable terms or at all, it may be difficult, more expensive or impossible to obtain substitute intellectual property or technology from alternative vendors. Any substitute intellectual property or technology may also have lower quality or performance standards, which would adversely affect the quality of our devices and services. For more information, see “Risk Factors—We depend on intellectual property licensed from third parties to operate our constellation and sell our devices and for the enhancement of our existing devices and services.”
 
Available Information
 
Copies of our annual reports on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K, and amendments, if any, to those reports filed pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, are available free of charge through our website at www.iridium.com and on the website of the Securities and Exchange Commission, or SEC, at www.sec.gov. A request for any of these reports may also be submitted to us by writing: Investor Relations, Iridium Communications Inc., 1750 Tysons Boulevard, Suite 1400, McLean, VA 22102, or by calling our Investor Relations line at 703-287-7570.

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Item 1A. Risk Factors
Risks related to our satellites and network
Our satellites may experience operational problems, which could affect our ability to provide an acceptable level of service to our customers.
From time to time, we experience temporary intermittent losses of signal cutting off calls in progress, preventing completions of calls when made, or disrupting the transmission of data. If the magnitude or frequency of such problems increases and we are no longer able to provide a commercially acceptable level of service, our business and financial results and our reputation would be hurt, and our ability to pursue our business plan would be compromised.
We may be required in the future to make changes to our constellation to maintain or improve its performance. Any such changes may require prior FCC approval, and the FCC may subject the approval to other conditions that could be unfavorable to our business. In addition, from time to time we may reposition our satellites within the constellation in order to optimize our service, which could result in degraded service during the repositioning period. Although we have some ability to remedy some types of problems affecting the performance of our satellites remotely from the ground, the physical repair of our satellites in space is not feasible.
Our products could fail to perform or could perform at reduced levels of service because of technological malfunctions or deficiencies, regulatory compliance issues, or events outside of our control, which would seriously harm our business and reputation.
Our products and services are subject to the risks inherent in a large-scale, complex telecommunications system employing advanced technology and heavily regulated by, among others, the FCC and similar authorities internationally. Any disruption to our satellites, services, information systems or telecommunications infrastructure, or regulatory compliance issues, could result in the inability or reduced ability of our customers to receive our services for an indeterminate period of time. These customers include government agencies conducting mission-critical work throughout the world, as well as consumers and businesses located in remote areas of the world and operating under harsh environmental conditions where traditional telecommunications services may not be readily available. Any disruption to our services or extended periods of reduced levels of service could cause us to lose customers or revenue, result in delays or cancellations of future implementations of our products and services, result in failure to attract customers, or result in litigation, customer service or repair work that would involve substantial costs and distract management from operating our business. The failure of any of the diverse elements of our system, including our satellites, our commercial gateway, our satellite teleport network facilities or our satellite network operations center, to function as required could render our system unable to perform at the quality and capacity levels required for success. Any system failures, repeated product failures or shortened product life, or extended reduced levels of service could reduce our sales, increase costs, or result in warranty or liability claims or litigation, cause us to extend our warranty period, and seriously harm our business.
Our satellites have a limited life and may fail prematurely, which could cause our network to be compromised and materially and adversely affect our business, prospects and profitability, or cause us to incur additional expense to launch replacement satellites.
We have in the past and may in the future experience in-orbit malfunctions of our satellites, which could adversely affect the reliability of their service or result in total failure of the satellite. In-orbit failure of a satellite may result from various causes, including component failure, loss of power or fuel, inability to control positioning of the satellite, solar or other astronomical events, including solar radiation and flares, and space debris. Other factors that could affect the useful lives of our satellites include the quality of construction, gradual degradation of solar panels and the durability of components. We do not have and have no plans to obtain in-orbit insurance. As a result, a failure of one or more of our satellites, the occurrence of equipment failures and other related problems would constitute an uninsured loss. Although we do not incur any direct cash costs related to the failure of a single satellite, if a satellite fails, we record an impairment charge in our statement of operations to reduce the remaining net book value of that satellite to zero, and any such impairment charges could depress our net income for the period in which the failure occurs. Further, a large number of such failures could shorten the expected life of our constellation, which would increase our depreciation expense, or require us to replace our constellation sooner than currently planned, either of which would increase our projected capital expenditures.
If operations at our commercial gateways or operations center were to be disrupted, we may experience interruptions in our ability to provide service to our customers.
Our commercial satellite network traffic is supported by a gateway in Tempe, Arizona, as well as a gateway in Izhevsk, Russia, for traffic within Russian boundaries, and we operate our satellite constellation from our satellite network operations center in
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Leesburg, Virginia. If we are unable to use our primary commercial gateway in Tempe, it could take us from one to eight hours to switch operations to our backup facility for most services, and potentially longer for some services. During this time, our customers would be unable to use those services, and we could suffer a loss of revenue and harm to our reputation. When operating on our backup facility, any further failure could leave us unable to offer services for an extended period. Our gateways and operations center may also experience service shutdowns or periods of reduced service in the future as a result of equipment failures, delays in deliveries, or regulatory issues. Any such failure would impede our ability to provide service to our customers.
Our customized hardware and software may be difficult and expensive to service, upgrade or replace.
Some of the hardware and software we use in operating our gateways is significantly customized and tailored to meet our requirements and specifications and could be difficult and expensive to service, upgrade or replace. Although we maintain inventories of some spare parts, it nonetheless may be difficult, expensive or impossible to obtain replacement parts for the hardware due to a limited number of those parts being manufactured to our requirements and specifications. In addition, our business plan contemplates updating or replacing some of the hardware and software in our network as technology advances, but the complexity of our requirements and specifications may present us with technical and operational challenges that complicate or otherwise make it expensive or infeasible to carry out such upgrades and replacements. If we are not able to suitably service, upgrade or replace our equipment, our ability to provide our services and therefore to generate revenue could be harmed.
Rapid and significant technological changes in the satellite communications industry may impair our competitive position and require us to make significant additional capital expenditures.
The satellite communications industry is subject to rapid advances and innovations in technology. We may face competition in the future from companies using new technologies and new satellite systems, including a significant number of new entrants who are developing or have announced a wide array of technologies, some of which would compete directly with one or more of our existing or planned products and services. New technology could render our system obsolete or less competitive by satisfying customer demand in more attractive ways or through the introduction of incompatible standards. Particular technological developments that could adversely affect us include the deployment by our competitors of new satellites with greater power, flexibility, efficiency or capabilities than ours, as well as continuing improvements in terrestrial wireless technologies. For us to keep up with technological changes and remain competitive, we may need to make significant capital expenditures, including capital to design and launch new products and services over the short to medium term, and, over the longer term, the acquisition of additional spectrum, satellites, launch vehicles and other network resources to support continued growth. Customer acceptance of the products and services that we offer will continually be affected by technology-based differences in our product and service offerings compared to those of our competitors. New technologies may also be protected by patents or other intellectual property laws and therefore may not be available to us. Any failure on our part to implement new technology within our system may compromise our ability to compete.
Our networks and those of our third-party service providers may be vulnerable to cybersecurity risks.
We expect the secure transmission of confidential information over public networks to continue to be a critical element of our ability to compete for business, manage our risks, and protect our customers and our reputation. Our network and those of our third-party service providers and our customers may be vulnerable to unauthorized access, computer attacks, viruses and other security problems. Persons who circumvent security measures could wrongfully access and obtain or use information on our network or cause service interruptions, delays or malfunctions in our devices, services or operations, any of which could harm our reputation, cause demand for our products and services to fall, and compromise our ability to pursue our business plans. Recently, there have been reported several significant, widespread security attacks and breaches that have compromised network integrity for many companies and governmental agencies, in some cases reportedly originating from outside the United States. In addition, there are reportedly private products available in the market today that may attempt to unlawfully intercept communications made using our network. We may be required to expend significant resources to respond to, contain, remediate, and protect against these attacks and threats, including compliance with applicable data breach and security laws and regulations, and to alleviate problems, including reputational harm and litigation, caused by these security incidents. In addition, in the event of such a security incident, our customer contracts may not adequately protect us against liability to third parties with whom our customers conduct business. Although we have implemented and intend to continue to implement security measures, these measures may prove to be inadequate. These security incidents could have a significant effect on our systems, devices and services, including system failures and delays that could limit network availability, which could harm our business and our reputation and result in substantial liability.
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Our satellites may collide with space debris or another spacecraft, which could adversely affect the performance of our constellation.
In February 2009, we lost an operational satellite as a result of a collision with a non-operational Russian satellite. Although we have some ability to actively maneuver our satellites to avoid potential collisions with space debris or other spacecraft, this ability is limited by, among other factors, uncertainties and inaccuracies in the projected orbit location of and predicted conjunctions with debris objects tracked and cataloged by the U.S. government. Additionally, some space debris is too small to be tracked, and therefore its orbital location is completely unknown; nevertheless, this debris is still large enough to potentially cause severe damage or a failure of our satellites should a collision occur. If our constellation experiences additional satellite collisions with space debris or other spacecraft, our service could be impaired.
The space debris created by the February 2009 satellite collision may cause damage to other spacecraft positioned in a similar orbital altitude.
The 2009 collision of one of our satellites with a non-operational Russian satellite created a space debris field concentrated in the orbital altitude where the collision occurred, and thus increased the risk of space debris damaging or interfering with the operation of our satellites, which travel in this orbital altitude, as well as satellites owned by third parties, such as U.S. or foreign governments or agencies and other satellite operators. Although there are tools used by us and providers of tracking services, such as the U.S. Combined Space Operations Center, to detect, track and identify space debris, we or third parties may not be able to maneuver the satellites away from such debris in a timely manner. Any such collision could potentially expose us to significant losses and liability if we were found to be at fault.
Risks related to our business operations
Our business plan depends on increased demand for mobile satellite services, among other factors.
Our business plan is predicated on growth in demand for mobile satellite services. Demand for mobile satellite services may not grow, or may even contract, either generally or in particular geographic markets, for particular types of services or during particular time periods. A lack of demand could impair our ability to sell products and services, develop and successfully market new products and services and could exert downward pressure on prices. Any decline in prices would decrease our revenue and profitability and negatively affect our ability to generate cash to pay down our debt or for capital expenditures, investments and other working capital needs.
Our ability to successfully implement our business plan will also depend on a number of other factors, including:
our ability to maintain the health, capacity and control of our satellite constellation;
the level of market acceptance and demand for our products and services;
our ability to introduce innovative new products and services that satisfy market demand;
our ability to expand our business using our existing spectrum resources both in the United States and internationally;
our ability to sell our products and services in additional countries;
our ability to comply with applicable regulatory requirements, both in the United States and internationally;
our ability to maintain our relationship with U.S. government customers, particularly the DoD;
the ability of our distributors to market and distribute our products, services and applications effectively and their continued development of innovative and improved solutions and applications for our products and services;
the effectiveness of our competitors in developing and offering similar services and products; and
our ability to maintain competitive prices for our products and services and to control our costs.
Our agreements with U.S. government customers, particularly the DoD, which represent a significant portion of our revenue, are subject to termination and renewal.
The U.S. government, through a dedicated gateway owned and operated by the DoD, has been and continues to be, directly and indirectly, our largest customer, representing 25% and 21% of our revenue for the years ended December 31, 2023 and 2022, respectively. We provide the majority of our services to the U.S. government pursuant to our GMSS, EMSS, and SDA contracts. We entered into these contracts in April 2019, September 2019, and June 2022, respectively. The GMSS contract had an initial term through September 2023 and has been extended through March 31, 2024, as we negotiate renewal of the agreement. The EMSS contract continues through September 2026, and the SDA contract has a base term until January 2025 and up to five one-year options exercisable at the election of the U.S. government. The U.S. government may terminate these agreements, in whole or in part, at any time for its convenience. Our relationship with the U.S. government is also subject to the
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overall U.S. government budget and appropriation decisions and processes. U.S. government budget decisions, including with respect to defense spending, are based on changing government priorities and objectives, which are driven by numerous factors, including geopolitical events and macroeconomic conditions, and are beyond our control. If the U.S. government terminates any or all of these agreements, we would lose a significant portion of our revenue.
Further, operational control of our contracts has been moved from the Defense Information Systems Agency to the U.S. Space Force. In connection with this operational shift, changes in internal pricing and cost recovery have resulted in reduced subscribers under the EMSS contract. Lower subscriber use may negatively affect our ability to negotiate a renewal of the EMSS contract on favorable terms in 2026.
If we fail to comply with the terms of our U.S. government contracts, including applicable federal acquisition regulations, we may be subject to contract price adjustments, civil or criminal penalties, or debarment from future U.S. government contracts.
As a U.S. government contractor or subcontractor, we are subject to federal acquisition regulations, which govern, among other things, the allowability of costs incurred by us in the performance of U.S. government contracts. The pricing of some contracts, including the SDA contract, is based on estimated direct and indirect costs. The U.S. government is entitled to examine our cost records with respect to such contracts and to seek a downward adjustment to the price of the contract if it determines that we failed to furnish complete, accurate and current cost or pricing data in connection with the negotiation of the price of the contract. We may also be subject to government audits and to review and approval of our policies, procedures and internal controls for compliance with procurement regulations and other applicable laws. If we do not comply with the terms of a contract or with regulations or statutes, we could be subject to downward contract price adjustments or refund obligations or could be assessed civil and criminal penalties or be debarred or suspended from obtaining future contracts for a specified period. Any such suspension or debarment or other sanction could have an adverse effect on our business. In addition, if we are unable to comply with security clearance requirements, we may be unable to perform these contracts or compete for other projects of this nature, which could adversely affect our revenue.
Aireon, our primary hosted payload customer, may not successfully grow its business, which could reduce or eliminate the value of our agreements with, and ownership interest in, Aireon.
Aireon is our primary hosted payload customer, and we expect annual revenue to us from Aireon hosting, data services and power fees to be approximately $32.6 million. In addition, we currently hold a substantial ownership interest in Aireon’s parent company, Aireon Holdings, and, if and when funds are available following a planned refinancing of its credit facility, Aireon’s parent company, Aireon Holdings is required to redeem a portion of our ownership interest for a payment of $120.0 million. Based on Aireon’s business plan and restrictions under Aireon’s debt facility, we do not expect this redemption of our ownership interest to occur for several years.
Aireon’s business model requires expansion of its customer base to achieve its projected financial results, which may not occur when projected or at all. While our fee arrangements with Aireon are fixed, if Aireon does not achieve its projected results, they may not be able to pay us the contractually required hosting, data services and power fees in a timely manner or at all. Further, Aireon may need to seek additional financing. Any sale of equity securities by Aireon would dilute our ownership if and to the extent that we do not invest additional funds to maintain our proportional ownership interest. If additional funding is not available, Aireon may default on its credit facility, which could result in the loss or reduction in value of our investment in Aireon, or be forced out of business, in which case we would not receive any further hosting, data or power fees, or the expected $120.0 million redemption payment, and we would lose the fair value of our retained investment in Aireon Holdings.
We depend on intellectual property licensed from third parties to operate our constellation and sell our devices and for the enhancement of our existing devices and services.
We license critical intellectual property and technology to operate and maintain our network and related ground infrastructure and services as well as to design, manufacture, and sell our devices. This intellectual property and technology is essential to our ability to continue to operate our constellation and sell our services and devices. In addition, we depend on third parties to develop enhancements to our current products and services even in circumstances where we own the intellectual property. If any third-party owner of such intellectual property or technology were to terminate any license agreement with us or cease to support and service such intellectual property or technology or perform development on our behalf, or if we are unable to renew such licenses on commercially reasonable terms or at all, it may be difficult, more expensive or impossible to obtain such intellectual property, technology, or services from alternative vendors. Any substitute intellectual property or technology may also be costly to develop and integrate, or could have lower quality or performance standards, which would adversely affect the quality of our devices and services. In connection with the development of new devices and services, we may be required to obtain additional intellectual property rights from third parties. We can offer no assurance that we will be able to obtain such
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intellectual property rights on commercially reasonable terms or at all. If we are unable to obtain such intellectual property rights on commercially reasonable terms, we may not be able to develop some new devices and services.
Our failure to effectively manage the expansion of our portfolio of products and services could impede our ability to execute our business plan, and we may experience increased costs or disruption in our operations.
In order to achieve the substantial future revenue growth we have projected, we must develop and market new products and services. We currently face a variety of challenges, including maintaining the infrastructure and systems necessary for us to manage the growth of our business. As our product and service portfolio continues to expand, the responsibilities of our management team and demands on other company resources also increase. Consequently, we may further strain our management and other company resources with the increased complexities and administrative burdens associated with a larger, more complex portfolio of products and services. For example, we have in the past experienced quality issues and incorrect market assessments in connection with the introduction of new products and services, and we may experience such issues in the future. Our failure to meet these challenges as a result of insufficient management or other resources could significantly impede our ability to execute our business plan, which relies in part on our ability to leverage our largely fixed-cost infrastructure. To properly manage our growth, we may need to hire and retain additional personnel, upgrade our existing operational management and financial and reporting systems, and improve our business processes and controls. Failure to effectively manage the expansion of our portfolio of products and services in a cost-effective manner could result in declines in product and service quality and customer satisfaction, disruption of our operations, or increased costs, any of which would reduce our ability to increase our profitability.
We could lose market share and revenue as a result of increasing competition from companies in the wireless communications industry, including cellular and other satellite operators, and from the extension of land-based communications services.
We face intense competition in all of our markets, which could result in a loss of customers and lower revenue and make it more difficult for us to enter new markets. We compete primarily on the basis of coverage, quality, portability, and pricing of services and products.
The provision of satellite-based services and products is subject to downward price pressure when capacity exceeds demand or as a result of aggressive discounting by some operators under financial pressure to expand their respective market share. In addition, we may face competition from new competitors, new technologies or new equipment, including new and proposed LEO constellations. For example, we may face competition for our services in the United States from service providers with ancillary terrestrial component, or ATC, authorities who are designing a satellite operating business and a terrestrial component around their spectrum holdings, or from service providers developing satellite direct to terrestrial phone capabilities. In addition, some of our competitors have announced plans for the launch of additional satellites. As a result of competition, we may not be able to successfully retain our existing customers and attract new customers.
In addition to our satellite-based competitors, terrestrial voice and data service providers, both wireline and wireless, could further expand into rural and remote areas and provide the same general types of services and products that we provide through our satellite-based system. Although satellite communications services and terrestrial communications services are not perfect substitutes, the two compete in some markets and for some services. Consumers generally perceive terrestrial wireless voice communication products and services as cheaper and more convenient than those that are satellite-based. Many of our terrestrial competitors have greater resources, wider name recognition and newer technologies than we do. In addition, industry consolidation could hurt us by increasing the scale or scope of our competitors, thereby making it more difficult for us to compete.
We depend on third parties to market and sell our products and services, and their inability to do so effectively could impair our revenue and our reputation.
We select third-party distributors, in some cases on an exclusive basis, and rely on them to market and sell our products and services to end users and to determine the prices end users pay. We also depend on our distributors to develop innovative and improved solutions and applications integrating our product and service offerings. As a result of these arrangements, we are dependent on the performance of our distributors to generate most of our revenue. Our distributors operate independently of us, and we have limited control over their operations, which exposes us to significant risks. Distributors may not commit the same level of resources to market and sell our products and services that we would, and these distributors may also market and sell competitive products and services. In addition, our distributors may not comply with the laws and regulatory requirements in their local jurisdictions, which could limit their ability to market or sell our products and services. If our distributors develop faulty or poorly performing products using our technology or services, we may be subject to claims, and our reputation could be harmed. If current or future distributors do not perform adequately, or if we are unable to locate competent distributors in particular countries and secure their services on favorable terms, we may be unable to increase or maintain our revenue in these
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markets or enter new markets, we may not realize our expected growth, and our brand image and reputation could be hurt. For example, in 2023, we announced an arrangement with Qualcomm Technologies, Inc., or Qualcomm, to include our services on a processor for use in smartphones and act as our VAM and service provider with smartphone manufacturers. Although Qualcomm successfully developed and demonstrated the service, they were unable to market the processor successfully to smartphone manufacturers. As a result, Qualcomm elected to terminate our arrangement with them. This arrangement included large penalties had we marketed a similar technology with another partner; as a result, we expect a substantial delay in our ability to develop a similar service with a different third party.
In addition, we may lose distributors due to competition, industry consolidation, regulatory developments, business developments affecting our distributors or their customers, or for other reasons. In 2009, one of our largest competitors, Inmarsat (now Viasat), acquired our then largest distributor, Stratos Global Wireless, Inc., and in 2014, Inmarsat acquired Globe Wireless, one of our service providers. Following each acquisition, Inmarsat essentially stopped promoting sales of our products and services, and they and other competitors could further reduce their distribution efforts with respect to our products and services in the future. Any future consolidation of our distributors would further increase our reliance on a few key distributors of our services and the amount of volume discounts that we may have to give those distributors. Our two largest distributors, Marlink Group and Garmin, together represented approximately 10% of our revenue for the year ended December 31, 2023, and our ten largest distributors represented, in the aggregate, 27% of our revenue for the year ended December 31, 2023. The loss or consolidation of any of these distributors, or a decrease in the level of effort expended by any of them to promote our products and services, could reduce the distribution of our products and services as well as the development of new products and applications, which would negatively affect our revenue.
Our business was negatively affected by the COVID-19 pandemic, actions taken to mitigate the pandemic, and the economic disruptions that resulted, and a resurgence or similar pandemic in the future could harm our business.
The COVID-19 pandemic, the steps taken to respond, and the resulting substantial domestic and global economic disruption led to reduced sales and limited our distributors’ ability to install or service our products. The aviation industry was particularly hard hit, which had an adverse effect on our primary hosted payload customer, Aireon, in which we have also made substantial investments.
The pandemic also negatively affected the payment of accounts receivable and collections. For example, one of our distributors sought protection in bankruptcy, reducing the amount we received from them for past services. Finally, factors related to the pandemic, including changing work environments, concerns over safety, reluctance to obtain vaccines, and changing economic conditions, caused an increase in employee resignations across many industries and companies, including ours.
Any resurgence of the COVID-19 pandemic, or another future pandemic, that causes similar disruption could further adversely affect our business, results of operations and financial condition.
We rely on a limited number of key vendors for supply of equipment, components and services; the loss of any such supplier, or shortages experienced by such suppliers, could cause us to incur additional costs and delays in the production and delivery of our products, which could reduce the sales of those products and use of the related services.
We currently rely on a limited number of manufacturers of our devices, including our mobile handsets, L-band transceivers and SBD devices. We also utilize sole source suppliers for some of the component parts of our devices. If any of our suppliers were to terminate its relationship with us, we may not be able to find a replacement supplier in a timely manner, at an acceptable price or at all.
Further, our manufacturers and suppliers may cease production of our components or products or become capacity-constrained, or could face financial difficulties as a result of a surge in demand, a natural disaster or other event. For example, several of our suppliers experienced production delays as a result of the recent global silicon chip shortage. As a result, we experienced delays in fulfilling some product orders and are evaluating replacement components and product changes. These delays increased our costs and reduced our sales of those products and use of the related services.
Any future delay in production or delivery of our products or components by our suppliers could similarly adversely affect our business. Even if we are able to replace or supplement sole source or other component suppliers, there could be a substantial period of time in which our products would not be available; any new relationship may involve higher costs and delays in development and delivery, and we may encounter technical challenges in successfully replicating the manufacturing processes. If our manufacturers or suppliers terminate their relationships with us, fail to provide equipment or services to us on a timely basis, or fail to meet our performance expectations, we may be unable to provide products or services to our customers in a competitive manner, which could in turn negatively affect our financial results and our reputation.
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Our Russian operations have been and may continue to be affected by Russia’s invasion of Ukraine and related sanctions imposed in response, and we may in the future choose or be required to further limit or shut down those operations entirely.
We provide satellite communications services in Russia through two local subsidiaries employing 36 people and authorized Russian service providers, using a dedicated gateway in Russia. In 2023, revenue from our operations in Russia represented approximately 1.8% of our total revenue, all of which was service revenue. As a result of Russia’s invasion of Ukraine in February 2022, we ceased shipments of equipment to Russia and made other adjustments to our operations in light of U.S. and international sanctions. Further, our sales in Russia are conducted in rubles and then translated to U.S. dollars in our financial results. The value of the ruble has fluctuated substantially since the invasion, which may affect our reported revenues. As a result of these factors, we expect revenue from our operations in Russia to be variable and difficult to predict.
In addition, we may in the future choose or be required to further limit or cease operations in Russia entirely, in which case we will no longer receive any revenue from those operations. We could also incur significant expenses as a result of the process of shutting down operations in Russia.
Conducting and expanding our operations outside the United States creates numerous risks, which may harm our operations and compromise our ability to expand our international operations.
We have significant operations outside the United States. We estimate that commercial data traffic originating outside the United States accounted for 96% and 95% of total commercial data traffic for the years ended December 31, 2023 and 2022, respectively, while commercial voice traffic originating outside the United States accounted for 91% and 90% of total commercial voice traffic for the years ended December 31, 2023 and 2022. We cannot provide the precise geographical distribution of revenue from end users because we do not contract directly with them. Instead, we determine the country in which we earn our revenue based on where we invoice our distributors. These distributors sell services directly or indirectly to end users, who may be located or use our products and services elsewhere. We and our distributors are also seeking authorization to sell our services in additional countries.
Conducting operations outside the United States involves numerous risks and, while expanding our international operations would advance our growth, it would also increase our exposure to these risks.
Risks associated with the potential expansion of our international operations include:
difficulties in penetrating new markets due to established and entrenched competitors;
difficulties in developing products and services that are tailored to the needs of local customers;
lack of local acceptance or knowledge of our products and services;
lack of recognition of our products and services;
unavailability of, or difficulties in establishing, relationships with distributors;
significant investments, including the development and deployment of dedicated gateways, as some countries require physical gateways within their jurisdiction to connect the traffic coming to and from their territory;
instability of international economies and governments;
effects of a global pandemic, such as COVID-19, including on international economies, supply chains and travel;
changes in laws and policies affecting trade and investment in other jurisdictions;
exposure to varying legal standards, including data privacy, security and intellectual property protection in other jurisdictions;
difficulties in obtaining required regulatory authorizations;
difficulties in enforcing legal rights in other jurisdictions;
local domestic ownership requirements;
requirements that operational activities be performed in-country;
changing and conflicting national and local regulatory requirements;
foreign currency exchange rates and exchange controls; and
ongoing compliance with the U.S. Foreign Corrupt Practices Act, U.S. export controls, anti-money laundering and trade sanction laws, and similar international anti-corruption and trade laws in other countries.
If any of these risks were to materialize, it could affect our ability to successfully compete and expand internationally.
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Government organizations, foreign military and intelligence agencies, natural disaster aid associations, and event-driven response agencies use our commercial voice and data satellite communications services. Accordingly, we may experience reductions in usage due to changing global circumstances.
The prices for our products and services are typically denominated in U.S. dollars. Any appreciation of the U.S. dollar against other currencies will increase the cost of our products and services to our international customers and, as a result, may reduce the competitiveness of our international offerings and make it more difficult for us to grow internationally.
Pursuing strategic transactions may cause us to incur additional risks.
We may pursue acquisitions, joint ventures or other strategic transactions from time to time. We may face costs and risks arising from any such transactions, including integrating a new business into our business or managing a joint venture. These risks may include adverse legal, organizational and financial consequences, loss of key customers and distributors, and diversion of management’s time.
In addition, any major business combination or similar strategic transaction may require significant additional financing, and our ability to obtain such financing may be restricted by the credit agreement governing our currently outstanding term loan with various lenders administered by Deutsche Bank AG, or the Term Loan. Further, depending on market conditions, investor perceptions of our company and other factors, we might not be able to obtain financing on acceptable terms, in acceptable amounts, or at appropriate times to implement any such transaction. Any such financing, if obtained, may dilute existing stockholders.

Spectrum values historically have been volatile, which could cause the value of our business to fluctuate.
Our business plan is evolving, and it may in the future include forming strategic partnerships to maximize value for our spectrum, network assets and combined service offerings in the United States and internationally. Values that we may be able to realize from such partnerships will depend in part on the value placed on our spectrum authorizations. Valuations of spectrum in other frequency bands historically have been volatile, and we cannot predict at what amount a future partner may be willing to value our spectrum and other assets. In addition, to the extent that the FCC takes action that makes additional spectrum available or promotes the more flexible use or greater availability of existing satellite or terrestrial spectrum allocations, for example by means of spectrum leasing or new spectrum sales, the availability of such additional spectrum could reduce the value of our spectrum authorizations and, as a result, the value of our business.
We may be negatively affected by global economic conditions.
Our operations and performance depend significantly on worldwide economic conditions. Uncertainty about global economic conditions poses a risk as individual consumers, businesses and governments may postpone spending in response to tighter credit, negative financial news, declines in income or asset values, or budgetary constraints. Reduced demand would cause a decline in our revenue and make it more difficult for us to operate profitably, potentially compromising our ability to pursue our business plan. We expect our future growth rate will be affected by the condition of the global economy, increased competition, maturation of the satellite communications industry, and the difficulty in sustaining high growth rates as we increase in size. Any substantial appreciation of the U.S. dollar may also negatively affect our growth by increasing the cost of our products and services in foreign countries.
Our ability to operate our company effectively could be impaired if we lose members of our senior management team or key technical personnel.
We depend on the continued service of key managerial and technical personnel and personnel with security clearances, as well as our ability to continue to attract and retain highly qualified personnel. We compete for such personnel with other companies, government entities, academic institutions and other organizations. The unexpected loss or interruption of the services of such personnel could compromise our ability to effectively manage our operations, execute our business plan and meet our strategic objectives.
Risks related to our capital structure
We have a considerable amount of debt, which may limit our ability to fulfill our obligations and/or to obtain additional financing.
As of December 31, 2023, we had $1,500.0 million of consolidated gross indebtedness. Our capital structure and reliance on indebtedness can have several important consequences, including, but not limited to, the following:
If future cash flows are insufficient, we may not be able to make principal or interest payments on our debt obligations, which could result in the occurrence of an event of default under one or more of those debt instruments.
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Our leverage level could increase our vulnerability to adverse economic and industry conditions.
Our indebtedness requires us to dedicate a substantial portion of our cash flow from operations to payments on our debt, thereby reducing the availability of our cash flow for operations and other purposes.
Our leverage level could make it more difficult for us to satisfy our obligations to our lenders, resulting in possible defaults on and acceleration of such indebtedness.
Our leverage level could place us at a competitive disadvantage compared to any competitors that have less debt or comparable debt at more favorable interest rates and that, as a result, may be better positioned to withstand economic downturns.
Our consolidated indebtedness has the general effect of reducing our flexibility to react to changing business and economic conditions insofar as they affect our financial condition. The interest rates at which we might secure additional financings may be higher than our currently outstanding debt instruments or higher than forecasted at any point in time, which could adversely affect our business, financial condition, results of operations and cash flows.
Market conditions could affect our access to capital markets, restrict our ability to secure financing to make planned capital expenditures and investments and pay other expenses, which could adversely affect our business, financial condition, cash flows and results of operations.
Further, despite our substantial levels of indebtedness, we and our subsidiaries have the ability to incur substantially more indebtedness, which could further intensify the risks described above.
If we do not generate sufficient cash flows, we may be unable to repay our Term Loan when it matures.
We will need to repay our Term Loan in full at maturity in September 2030. If our cash flows and capital resources are insufficient to repay the Term Loan when it matures, we may have to undertake alternative financing plans, such as refinancing or restructuring our debt, selling assets or operations, reducing or delaying capital investments, or seeking to raise additional capital. We may not be able to refinance our debt, or any refinancing of our debt could be at higher interest rates and may require us to comply with more restrictive covenants that could further restrict our business operations. Our ability to implement successfully any such alternative financing plans will depend on a range of factors, including our financial condition, general economic conditions and the level of activity in capital markets generally. Failure to repay or refinance the Term Loan at or prior to maturity would result in an event of default under the Term Loan.
The credit agreement governing our Term Loan contains cross-default or cross-acceleration provisions that may cause all of the debt issued under that instrument to become immediately due and payable because of a default under an unrelated debt instrument.
Our failure to comply with the obligations contained in the credit agreement governing our Term Loan or other future instruments of indebtedness could result in an event of default under the applicable instrument, which could result in the related debt and the debt issued under other instruments (together with accrued and unpaid interest and other fees) becoming immediately due and payable. In such event, we would need to raise funds from alternative sources, which funds may not be available to us on favorable terms, on a timely basis, or at all. Alternatively, such a default could require us to sell our assets and otherwise curtail our operations in order to pay our creditors. These alternative measures could have a material adverse effect on our business, financial position, results of operations and/or cash flows, which could cause us to become bankrupt or insolvent or otherwise impair our ability to make payments in respect of our indebtedness.
If we default under the Term Loan, the lenders may require immediate repayment in full of amounts borrowed or foreclose on our assets.
The credit agreement governing our Term Loan contains events of default, including cross-default with other indebtedness, bankruptcy, and a change in control (as defined in the credit agreement). If we experience an event of default, the lenders may require repayment in full of all principal and interest outstanding under the Term Loan. If we fail to repay such amounts, the lenders may foreclose on the assets we have pledged under the Term Loan, which includes substantially all of the assets of our domestic subsidiaries, including our principal operating subsidiary, Iridium Satellite LLC.
Certain provisions in the credit agreement governing our Term Loan limit our financial and operating flexibility.
The credit agreement governing our Term Loan contains covenants that place restrictions on, among other things, our ability to:
incur liens,
engage in mergers or asset sales,
pay dividends,
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repay subordinated indebtedness,
incur indebtedness,
make investments and loans, and
engage in other specified transactions.
These restrictions are typically structured with dollar limits based on a percentage of our trailing twelve month earnings before interest, taxes, depreciation and amortization and vary depending on our leverage level (in each case as calculated under the credit agreement). Complying with these restrictions may make it more difficult for us to successfully execute our business plan and compete against companies who are not subject to such restrictions.
Our Board of Directors may reduce, suspend or terminate our planned dividends.
In December 2022, our Board of Directors initiated a quarterly dividend and declared a cash dividend on our common stock. Decisions regarding future dividends are within the discretion of the Board of Directors and may be influenced by a number of factors, including the price of our common stock, general business and economic conditions, our financial condition and operating results, the emergence of alternative investment or acquisition opportunities, changes in our business strategy and other factors. These or other factors could cause our Board of Directors to reduce, suspend or terminate our planned quarterly dividends, which could reduce the value of our common stock. For more information on our dividends, see “Management’s Discussion and Analysis of Financial Conditions and Results of Operations.”

Adverse changes in our credit ratings or withdrawal of the ratings assigned to our debt securities by rating agencies may negatively affect us.
Our ability to access capital markets is important to our ability to operate our business. Increased scrutiny of the satellite industry and the impact of regulation, as well as changes in our financial performance and unfavorable conditions in the capital markets could result in credit agencies reexamining our credit ratings. A downgrade in our credit ratings could restrict or discontinue our ability to access capital markets at attractive rates and increase our borrowing costs. Furthermore, any rating assigned could be lowered or withdrawn entirely by a rating agency if, in that rating agency’s judgment, future circumstances relating to the basis of the rating, such as adverse changes, so warrant. Any future lowering of our ratings likely would make it more difficult or more expensive for us to obtain additional debt financing.
The market price of our common stock may be volatile.
The trading price of our common stock may be subject to substantial fluctuations. Factors affecting the trading price of our common stock may include:
failure in the performance of our satellites;
actual or anticipated variations in our operating results, including termination or expiration of one or more of our key contracts, or a change in sales levels under one or more of our key contracts;
failure of Aireon to successfully carry out its business plan or obtain expected financing;
failure to comply with the terms of the credit agreement governing our Term Loan;
sales of a large number of shares of our common stock or the perception that such sales may occur;
the dilutive effect of outstanding stock options and other equity awards;
changes in financial estimates by industry analysts, or our failure to meet or exceed any such estimates, or changes in the recommendations of any industry analysts that elect to follow our common stock or the common stock of our competitors;
impairment of intangible assets;
actual or anticipated changes in economic, political or market conditions, such as recessions or international currency fluctuations;
actual or anticipated changes in the regulatory environment affecting our industry;
changes in the market valuations of our competitors;
low trading volume; and
announcements by our competitors regarding significant new products or services or significant acquisitions, strategic partnerships, divestitures, joint ventures or other strategic initiatives.
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The trading price of our common stock might also decline in reaction to events that affect other companies in our industry even if these events do not directly affect us. If our stock, the market for other stocks in our industry, or the stock market in general experiences a loss of investor confidence, the trading price of our common stock could decline for reasons unrelated to our business, financial condition or results of operations.
Risks related to legal and regulatory matters
Our business is subject to extensive government regulation, which mandates how we may operate our business and may increase our cost of providing services and slow our expansion into new markets.
Our ownership and operation of a satellite communications system and the sale of products that operate on that system are subject to significant regulation in the United States, including by the FCC, the U.S. Department of Commerce and others, and in foreign jurisdictions by similar local authorities. The rules and regulations of these U.S. and foreign authorities may change, and such authorities may adopt regulations that limit or restrict our operations as presently conducted or currently contemplated, including our de-orbit obligations. Such authorities may also make changes in the licenses of our competitors that affect our spectrum. Such changes may significantly affect our business. Further, because regulations in each country are different, we may not be aware if some of our distribution partners or persons with whom we or they do business do not hold the requisite licenses and approvals. Our failure to provide services in accordance with the terms of our licenses or our failure to operate our satellites or ground stations as required by our licenses and applicable laws and government regulations could result in the imposition of government sanctions on us, including the suspension or cancellation of our licenses. Our failure or delay in obtaining the approvals required to operate in other countries would limit or delay our ability to expand our operations into those countries. Our failure to obtain industry-standard or government-required certifications for our products could compromise our ability to generate revenue and conduct our business in other countries. Any imposition of sanctions, loss of license or failure to obtain the authorizations necessary to use our assigned radio frequency spectrum and to distribute our products in the United States or foreign jurisdictions could cause us to lose sales, hurt our reputation and impair our ability to pursue our business plan.
In addition, one of our subsidiaries, Iridium Carrier Services LLC, holds a common carrier radio license and is thus subject to regulation as a common carrier, including limitations and prior approval requirements with respect to direct or indirect foreign ownership. A change in the manner in which we provide service, or a failure to comply with any common carrier regulations that apply to us or to pay required fees, could result in sanctions including fines, loss of authorizations, or the denial of applications for new authorizations or the renewal of existing authorizations.
Repurposing of satellite spectrum by adjacent operators of L-band spectrum for terrestrial services could interfere with our services.
In February 2003, the FCC adopted ATC rules that permit satellite service providers to establish terrestrial wireless networks in previously satellite-only bands, subject to certain requirements intended to ensure that terrestrial services remain ancillary to primary satellite operations and do not interfere with existing operators. In 2011, the FCC granted Ligado Networks (then known as Lightsquared), or Ligado, a waiver to convert its L-band satellite spectrum to terrestrial use, including a 10 MHz band close to the spectrum that we use for all of our services. That waiver was subsequently suspended in 2012 due to concerns about potential interference to GPS operations. Ligado sought another waiver in 2015 to modify the ATC of its L-band mobile satellite service network with a terrestrial-only proposal designed to address GPS industry concerns. In April 2020, the FCC announced that it had approved Ligado’s waiver request. We, along with a variety of other private parties and the National Telecommunications and Information Administration on behalf of federal government users, filed petitions for reconsideration opposing this waiver out of concern for the interference that we believe Ligado’s proposed operations would cause. These petitions remain pending. In October 2023, Ligado brought suit against the U.S. government in the Federal Court of Claims alleging that the Department of Defense, the Department of Commerce, and Congress unlawfully prevented Ligado from using its exclusively licensed services and seeking damages based on their inability to deploy ATC services in the band.
Ligado’s implementation of these services would result in terrestrial use of L-band spectrum in the 1.6 GHz band, which we use to provide our services, and such implementation may affect the performance of our system for customers of our existing and future services. While the FCC’s decision to approve these services included conditions designed to protect other satellite services that use L-band spectrum from harmful interference, these conditions may prove insufficient, or the level of services provided may exceed those estimated by the FCC, in which case these or future terrestrial services permitted by the FCC could substantially interfere with our satellites and devices, which would adversely affect our services. If other countries permit similar terrestrial use of L-band spectrum in the 1.6 GHz band, the performance of our system may be subject to interference there as well.
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If the FCC revokes, modifies or fails to renew our licenses, or fails to grant a new license or modification, our ability to operate will be harmed or eliminated.
We hold FCC licenses, specifically a license for our satellite constellation, licenses for our U.S. gateway and other ground facilities, and blanket earth station licenses for U.S. government customers and commercial subscribers, that are subject to revocation if we fail to satisfy specified conditions. The FCC licenses are also subject to modification by the FCC. Our satellite constellation license expires on February 23, 2032. Our U.S. gateway earth station and the U.S. government customer and commercial subscriber earth station licenses expire between February 2036 and March 2037. There can be no assurance that the FCC will renew the FCC licenses we hold or grant new ones or modifications. If the FCC revokes, modifies or fails to renew the FCC licenses we hold, or fails to grant a new license or modification, or if we fail to satisfy any of the conditions of our respective FCC licenses, we may not be able to continue to provide mobile satellite communications services.
As we and our distributors expand our offerings to include more consumer-oriented devices, we are more likely to be subject to product liability claims, recalls or litigation, which could adversely affect our business and financial performance.
Through our distributors, we offer several services and devices aimed at individual consumers, and we and our distributors continue to introduce additional services and devices for use with our services. For example, we are working to enable satellite messaging and emergency services directly in smartphones and other devices using our services, which may dramatically increase the number of devices that use our services. These services and devices aimed at individual consumers, such as location-based services, emergency services, satellite handsets, smartphones, and personal locator devices, may contain design and manufacturing defects. Defects may also occur in components and devices that we purchase from third parties or that our distributors offer. There can be no assurance we or our distributors will be able to detect and fix all defects in the services, hardware and software that we or our distributors sell. These services and devices could be used in isolated and dangerous locations, including emergency response situations, and users who suffer property damage, personal injury or death while using such services or devices may seek to assert claims or bring lawsuits against us. Further, it is possible that our distributors’ devices could become the subject of consumer protection investigations, enforcement actions or litigation, including class actions. We seek to limit our exposure to all of these claims by maintaining a consumer protection compliance program, and through appropriate notices, disclosures, indemnification provisions and disclaimers, but these steps may not be effective or available in all cases. We also maintain product liability insurance, but this insurance may not cover any particular claim or litigation, or the amount of insurance may be inadequate to cover the claims brought against us. Product liability insurance could become more expensive and difficult to maintain and might not be available on acceptable terms or at all. In addition, it is possible that our or our distributors’ devices could become the subject of a product recall as a result of a device defect. We do not maintain recall insurance, nor do we have control over our distributors’ devices, and any recall could have a significant effect on our financial results. In addition to the direct expenses of and potential liability for product liability claims, investigations, recalls and litigation, a claim, investigation, recall or litigation might cause us adverse publicity, which could harm our reputation and compromise our ability to sell our services or devices in the future.
The collection, storage, transmission, use and disclosure of user data and personal information could give rise to liabilities or additional costs as a result of laws, governmental regulations, and evolving views of personal privacy rights and information security standards.
We transmit, process, and in some cases store in the normal course of our business, personal information. Many jurisdictions around the world have adopted laws and regulations regarding the collection, storage, transmission, use and disclosure of personal information. The legal standards for processing, storing and using this personal information continue to evolve, impose additional obligations and risk on our business, and have the potential to make some of our business processes more costly or less feasible. For example, numerous U.S. states have adopted consumer privacy laws that gives residents expanded rights to access and delete their personal information, opt out of certain personal information sharing and receive detailed information about how their personal information is used by requiring companies to provide new disclosures to consumers and provide such consumers new ways to opt out of certain sales of personal information. In Europe, the European Commission enacted the General Data Protection Regulation, or GDPR, which since 2018 has imposed more stringent EU data protection requirements and provided for greater penalties for noncompliance.
In addition, the interpretation of privacy and data protection laws and regulations regarding the collection, storage, transmission, use and disclosure of such information in some jurisdictions remains unclear. These laws may be interpreted, applied and enforced in conflicting ways from state to state and country to country and in a manner that is not consistent with our current business practices. Complying with these varying privacy and data security legal requirements could cause us to incur additional costs and change our business practices. Further, our services are accessible in many foreign jurisdictions, and some of these jurisdictions may claim that we are required to comply with their laws, even where we have no operating entity, employees or infrastructure located in that jurisdiction. We could face direct expenses related to a variety of enforcement actions, government investigations, or litigation, and an interruption to our business and adverse publicity because of such
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enforcement actions, government investigations, or litigation. Such enforcement actions, government investigations, or litigation could also cause us to incur significant expenses if we were required to modify our products, our services, our infrastructure, or our existing security and privacy procedures in order to comply with new or expanded privacy and security regulations.
In addition, if end users allege that their personal information is not collected, stored, transmitted, used or disclosed by us or our business partners appropriately or in accordance with our policies or applicable laws, or that our failure to adequately secure their personal information compromised its security, we could have liability to them or to consumer protection agencies, including claims, investigations and litigation related to such allegations. Any failure on our part to protect end users’ personal information could result in a loss of user confidence, harm our reputation, result in the loss of users, and cause us to incur significant expenses.
We have been and may in the future become subject to claims that our devices or services violate the patent or intellectual property rights of others, which could be costly and disruptive to us.
We operate in an industry that is susceptible to significant intellectual property litigation. As a result, we or our devices or services from time to time have been and may in the future be subject to intellectual property infringement claims or litigation. The defense of intellectual property suits is both costly and time-consuming, even if ultimately successful, and may divert management’s attention from other business concerns. An adverse determination in litigation to which we may become a party could, among other things:
subject us to significant liabilities to third parties, including treble damages;
require disputed rights to be licensed from a third party for royalties that may be substantial;
require us to cease using technology that is important to our business; or
prohibit us from selling some or all of our devices or offering some or all of our services.
We may be unable to offer one or more services in important regions of the world due to regulatory requirements, which could limit our growth.
While our constellation is capable of providing service globally, our ability to sell one or more types of service in some regions may be limited by local regulations. Some countries have specific regulatory requirements such as local domestic ownership requirements or requirements for physical gateways within their jurisdiction to connect traffic coming to and from their territory. In some countries, we may not be able to find an acceptable local partner or reach an agreement to develop additional gateways, or the cost of developing and deploying such gateways may be prohibitive, which could impair our ability to expand our product and service offerings in such areas and undermine our value for potential users who require service in these areas. Also, other countries where we already provide service may impose similar requirements in the future, which could restrict our ability to continue to sell service in those countries. The inability to offer to sell our products and services in all major international markets could impair our international growth. In addition, the construction of such gateways in foreign countries may trigger and require us to comply with various U.S. regulatory requirements that could conflict with or contravene the laws or regulations of the local jurisdiction. Any of these developments could limit, delay or otherwise interfere with our ability to construct gateways or other infrastructure or network solutions around the world.
Security and emergency services regulations in the United States and other countries may affect our ability to operate our system and to expand into new markets.
Our operations are subject to regulations of the U.S. Department of Commerce’s Bureau of Industry and Security relating to the export of satellites and related technical data as well as our subscriber equipment, the U.S. Treasury Department’s Office of Foreign Assets Control relating to transactions involving entities sanctioned by the United States, and the U.S. State Department’s Office of Defense Trade Controls relating to satellite launch. We are also required to provide U.S. and some foreign government law enforcement and security agencies with call interception services and related government assistance, in respect of which we face legal obligations and restrictions in various jurisdictions. Given our global operations and unique network architecture, these requirements and restrictions are not always easy to comply with or harmonize. In addition, some countries require providers of telecommunications services to connect specified emergency numbers to local emergency services. We have discussed and continue to discuss with authorities in various countries the procedures used to satisfy our obligations, and have had to, and may in the future need to, obtain amendments or waivers to licenses or obligations in various countries. Countries are not obligated to grant requested amendments or waivers, and there can be no assurance that relevant authorities will not suspend or revoke our licenses or take other legal actions to attempt to enforce the requirements of their respective jurisdictions.
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These U.S. and foreign obligations and regulations may limit or delay our ability to offer products and services in a particular country. As new laws and regulations are issued, we may be required to modify our business plans or operations. In addition, changing and conflicting national and local regulatory requirements may cause us to be in compliance with local requirements in one country, while not being in compliance with the laws and regulations of another. If we fail to comply with regulations in the United States or any other country, we could be subject to substantial fines or sanctions that could make it difficult or impossible for us to operate in the United States or such other country, or we may need to make substantial additional expenditures to bring our systems, products and services into compliance with the requirements.
We may be unable to obtain and maintain contractually required liability insurance, and the insurance we obtain may not cover all liabilities to which we may become subject.
Under our agreements with Motorola Solutions and the U.S. government, we are required to maintain an in-orbit liability insurance policy with a de-orbiting endorsement. The current policy, together with the de-orbiting endorsement, covers amounts that we and other specified parties may become liable to pay for bodily injury and property damages to third parties related to processing, maintaining, and de-orbiting our first-generation satellites. Our current policy has a one-year term, which expires on December 8, 2024, and excludes coverage for all third-party damages relating to the 2009 collision of our satellite with a non-operational Russian satellite. The price, terms and availability of insurance have fluctuated significantly since we began offering commercial satellite services. The cost of obtaining insurance can vary as a result of either satellite failures or general conditions in the insurance industry. Higher premiums on insurance policies would increase our cost. In-orbit liability insurance policies on satellites may not continue to be available on commercially reasonable terms or at all. In addition to higher premiums, insurance policies may provide for higher deductibles, shorter coverage periods and additional policy exclusions. For example, our current de-orbit insurance covers only twelve months from attachment and therefore would not cover losses arising outside that timeframe. In addition, even if we continue to maintain an in-orbit liability insurance policy, the coverage may not protect us against all third-party losses, which could be material.
Our current in-orbit liability insurance policy contains, and we expect any future policies would likewise contain, specified exclusions and material change limitations customary in the industry. These exclusions may relate to, among other things, losses resulting from in-orbit collisions such as the one we experienced in 2009, acts of war, insurrection, terrorism or military action, government confiscation, strikes, riots, civil commotions, labor disturbances, sabotage, unauthorized use of the satellites, and nuclear or radioactive contamination, as well as claims directly or indirectly occasioned as a result of noise, pollution, electrical and electromagnetic interference, and interference with the use of property.
In addition to our in-orbit liability insurance policy, we are required to maintain insurance to cover the potential liability of Motorola Solutions, the successor to the manufacturer of our first-generation satellites. We may not in the future be able to renew this coverage on reasonable terms and conditions, or at all. Our failure to maintain this insurance could increase our exposure to liability arising in relation to our first-generation satellites.
Wireless devices’ radio frequency emissions are the subject of regulation and litigation concerning their environmental effects, which includes alleged health and safety risks. As a result, we may be subject to new regulations, demand for our services may decrease, and we could face liability based on alleged health risks.
There has been adverse publicity concerning alleged health risks associated with radio frequency transmissions from portable hand-held telephones that have transmitting antennas. Lawsuits have been filed against participants in the wireless industry alleging a number of adverse health consequences, including cancer, as a result of wireless phone usage. Other claims allege consumer harm from failures to disclose information about radio frequency emissions or aspects of the regulatory regimes governing those emissions. Although we have not been party to any such lawsuits, we may be exposed to such litigation in the future. While we believe we comply with applicable standards for radio frequency emissions and power and do not believe that there is valid scientific evidence that use of our devices poses a health risk, courts or governmental agencies could determine otherwise. Any such finding could reduce our revenue and profitability and expose us and other communications service providers or device sellers to litigation, which, even if frivolous or unsuccessful, could be costly to defend.
If consumers’ health concerns over radio frequency emissions increase, they may be discouraged from using wireless handsets or other wireless consumer devices. Further, government authorities might increase regulation of wireless handsets and other wireless consumer devices as a result of these health concerns. Any actual or perceived risk from radio frequency emissions could reduce the number of our subscribers and demand for our products and services.
Our ability to use our net operating loss carryforwards to offset future taxable income may be subject to certain limitations.
Our ability to utilize U.S. net operating loss carryforwards and other tax attributes may be limited if we experience an “ownership change” under Section 382 of the Internal Revenue Code of 1986, as amended, or the Code, which generally occurs if one or more stockholders or groups of stockholders who own at least 5% of our common stock increase their ownership in the
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aggregate by more than 50% over their lowest ownership percentage within a rolling period that begins on the later of three years prior to the testing date and the date of the last ownership change. Similar rules may apply under state tax laws. If such an ownership change were to occur, Section 382 of the Code would impose an annual limit on the amount of pre-ownership change net operating loss carryforwards and other tax attributes we could use to reduce our taxable income. It is possible that such an ownership change could materially reduce our ability to use our net operating loss carryforwards or other tax attributes to offset taxable income, which could impact our profitability.
We could be subject to adverse determinations by taxing authorities.
We are subject to regular review and audit by both domestic and foreign tax authorities. As a result, we have received, and may in the future receive, assessments in multiple jurisdictions on various tax-related assertions, including transfer pricing adjustments or permanent establishment. Any adverse outcome of such a review or audit could have a negative effect on our operating results and financial condition. In addition, the determination of our provision for income taxes and other tax liabilities requires significant judgment, including transactions and calculations where the ultimate tax determination is uncertain. Although we believe our estimates are reasonable, the ultimate tax outcome may differ from the amounts recorded in our consolidated financial statements and may materially affect our financial results in the period or periods for which such determination is made.
Changes in tax laws could increase our worldwide tax rate and materially affect our financial position and results of operations.
Tax policies, laws or rates in various jurisdictions may be subject to significant change, which could materially and adversely affect our financial position and results of operations. Further, organizations such as the Organization for Economic Cooperation and Development have published action plans that, if adopted by countries where we do business, could increase our tax obligations in these countries. Due to our U.S. and international business activities, certain of these enacted and proposed changes to the taxation of our activities could increase our worldwide effective tax rate, which in turn could harm our financial position and results of operations.
If we fail to maintain proper and effective internal controls, our ability to produce accurate financial statements on a timely basis could be impaired.
We are subject to the reporting requirements of the Securities Exchange Act of 1934, the Sarbanes-Oxley Act of 2002, the Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010, and the rules and regulations of the SEC and The Nasdaq Global Select Market. The Sarbanes-Oxley Act requires, among other things, that we maintain effective disclosure controls and procedures and internal controls over financial reporting. We perform system and process evaluation and testing of our internal controls over financial reporting to allow management to report on the effectiveness of our internal controls over financial reporting in our Annual Reports on Form 10-K, as required by Section 404 of the Sarbanes-Oxley Act. If we are not able to comply with the requirements of Section 404 of the Sarbanes-Oxley Act in a timely manner, or if we are unable to maintain proper and effective internal controls, we may not be able to produce timely and accurate financial statements, and we may conclude that our internal controls over financial reporting are not effective. If that were to happen, the market price of our stock could decline, and we could be subject to sanctions or investigations by the Nasdaq Global Select Market, the SEC or other regulatory authorities.
Maintaining effective internal controls over financial reporting is necessary for us to produce reliable financial statements. If we fail to maintain such controls, it could result in a material misstatement of our financial statements that would not be prevented or detected on a timely basis, which could cause investors and other users to lose confidence in our financial statements.

Item 1B. Unresolved Staff Comments

None.

Item 1C. Cybersecurity

Risk management and strategy
We have implemented and maintain information security processes designed to identify, assess and manage material risks from cybersecurity threats to our information systems and critical data, including intellectual property and confidential information that is proprietary, strategic or competitive in nature. Our most important information system is our satellite network and related ground systems that carry our customers’ traffic on our network. We also maintain critical internal computer networks, as well as third-party hosted services, communications systems, hardware and software.
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Our management, led by our chief information officer, in conjunction with our internal management security committee and third-party service providers, helps to identify, assess and manage our cybersecurity threats and risks by monitoring and evaluating our threat environment and risk profile. These teams use a number of methods to do this, including manual and automated tools, internal and external threat assessments, and internal and external vulnerability assessments. The third parties we engage in this effort generally consist of threat intelligence service providers; cybersecurity consultants and software providers; penetration testing firms; monitoring services; forensic investigators; and other professional services firms, including legal counsel.
Depending on the environment and system, we implement and maintain several technical, physical, and organizational measures, processes, standards and policies designed to manage and mitigate material risks from cybersecurity threats to our systems and data. These include, for example, IT policies and procedures; a network security policy; an information and asset management policy; an information security policy; incident planning, detection and response plans, including backup systems; vulnerability management, including of third parties; risk assessments; establishment of network security controls, including physical security; annual employee training; systems monitoring; and penetration testing.
We integrate our assessment and management of material risks from cybersecurity threats into our overall risk management processes. For example, our management security committee generally meets on a monthly basis and evaluates material risks from cybersecurity threats against our overall business objectives. Our management generally provides reports and status updates to our board of directors on a quarterly basis, as the board monitors our overall enterprise risk.
In addition to our internal resources, we also use third-party service providers, including application providers and hosting companies, distributors, and supply chain resources. We have an IT vendor management program designed to identify and manage cybersecurity risks associated with our use of these providers. As part of this program, we typically conduct risk assessments for certain IT vendors on an annual basis, including, for example, using security assessment measures such as a security questionnaire, perform a review of the vendor’s own security program, audits, and vulnerability scans. Depending on the nature of the services provided, the sensitivity of the information systems and data at issue, and the identity of the provider, our vendor management process may involve different levels of assessment designed to help identify cybersecurity risks associated with a provider and may impose contractual obligations related to cybersecurity on the provider.
Despite these measures, we may not be successful in preventing, mitigating or recovering from a cybersecurity incident, which could have a material adverse effect on our operations or financial results or reputation. While we maintain cybersecurity insurance, it may not be adequate to cover the costs related to cybersecurity incidents we experience. For a description of the primary risks from cybersecurity threats that may materially affect our business and how they may do so, see Part I, Item 1A. Risk Factors in this Annual Report on Form 10-K, including “— Our networks and those of our third-party service providers may be vulnerable to cybersecurity risks.”
Governance
Our board of directors addresses cybersecurity risk management as part of its general oversight function. The board oversees our cybersecurity risk management processes, including oversight and mitigation of risks from cybersecurity threats.
Our cybersecurity risk assessment and management processes are implemented and maintained by members of our management team, led by our chief information officer, who has 15 years of experience in information technology roles and supported by our director of information security, who holds several certifications in the field of information security and technology. In addition to our chief information officer, our internal management security committee includes our chief executive officer, chief financial officer, chief operations officer and chief legal officer, as well as others within our organization in information technology roles.
Our chief information officer is responsible for hiring appropriate personnel and helping to integrate cybersecurity risk considerations into our overall risk management strategy and communicating key priorities to relevant personnel. Our chief information officer is also responsible for approving budgets, helping prepare for cybersecurity incidents, approving cybersecurity processes and reviewing security assessments and other security-related reports.
Our cybersecurity incident response and vulnerability management processes are designed to escalate certain cybersecurity incidents to members of management depending on the circumstances. Information regarding cyber incidents is reported at the monthly meeting of the management security committee or sooner if warranted. Members of this committee work with our incident response team to help mitigate and remediate cybersecurity incidents of which they are notified. Our incident response and vulnerability management processes include reporting by management to the board of directors for certain cybersecurity incidents.
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The board generally receives quarterly reports from our chief operations officer, chief information officer or other members of management, as well as periodic presentations from outside advisors concerning our significant cybersecurity threats and risk and the processes we have implemented to address them. The board also has access to various reports, summaries or presentations related to cybersecurity threats, risk and mitigation.
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Item 2. Properties

The following table describes the facilities we own or lease: 
LocationCountryApproximate
Square Feet
FacilitiesOwned/Leased
McLean, VirginiaUSA30,600Corporate HeadquartersLeased
Chandler, ArizonaUSA197,000Technical Support Center, Distribution Center, Warehouse and Satellite Teleport Network FacilityLeased
Leesburg, VirginiaUSA40,000Satellite Network Operations CenterOwned
Tempe, ArizonaUSA31,000System Gateway and Satellite Teleport Network FacilityOwned Building on Leased Land
Chandler, ArizonaUSA24,000
Operations Office Space
Leased
Fairbanks, AlaskaUSA4,000Satellite Teleport Network FacilityOwned
SvalbardNorway1,800Satellite Teleport Network FacilityOwned Building on Leased Land
Izhevsk, UdmurtiaRussia8,785System Gateway and Satellite Teleport Network FacilityLeased
MoscowRussia2,158Sales and Administration OfficesLeased
Punta ArenasChile3,200Satellite Teleport Network FacilityOwned Building on Leased Land
Bishop’s Stortford
United Kingdom2,400Sales OfficesLeased

Item 3. Legal Proceedings

Neither we nor any of our subsidiaries are currently subject to any material legal proceeding, nor, to our knowledge, is any material legal proceeding threatened against us or any of our subsidiaries.

Item 4. Mine Safety Disclosures

Not applicable.

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PART II
 
Item 5. Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities

Our common stock is currently listed on the Nasdaq Global Select Market under the symbol “IRDM.” As of February 9, 2024, there were 135 holders of record of our common stock.

Dividends

Stockholders are entitled to receive, when and if declared by the Company’s Board of Directors from time to time, dividends and other distributions in cash, stock or property from the Company’s assets or funds legally and contractually available for such purposes. In each of December 2022, May 2023, September 2023, and December 2023, the Company’s Board of Directors approved a dividend of $0.13 per share of common stock. The dividends, which were paid on March 30, 2023, June 30, 2023, September 29, 2023, and December 29, 2023, to stockholders of record as of March 15, 2023, June 15, 2023, September 15, 2023, and December 15, 2023, respectively, resulted in total payments of $64.8 million for the twelve months ended December 31, 2023. The liability related to dividends on common shares underlying unvested RSUs was $1.3 million as of December 31, 2023.

We currently expect that comparable cash dividends will continue to be paid in the future, although future dividends will depend on our earnings, capital requirements, financial conditions and other factors considered relevant by the Board. On February 2, 2024, the Board of Directors approved a dividend of $0.13 per share, payable on March 29, 2024 to holders of record as of March 15, 2024. The Board of Directors plans to increase the quarterly dividend to $0.14 per share starting with the second quarter 2024 dividend.

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Stock Price Performance Graph

The graph below compares the cumulative total return of our common stock from December 31, 2018 through December 31, 2023, with the comparable cumulative return of three indices, the S&P 500 Index, the Dow Jones Industrial Average Index and the Nasdaq Telecommunications Index. The graph plots the growth in value of an initial investment of $100 in each of our common stock, the S&P 500 Index, the Dow Jones Industrial Average Index and the Nasdaq Telecommunications Index over the indicated time periods. The stock price performance shown on the graph is not necessarily indicative of future price performance. The following stock price performance graph shall not be deemed to be “filed” for purposes of Section 18 of the Exchange Act, nor shall this information be incorporated by reference into any future filing under the Securities Act or the Exchange Act or any other document, except to the extent that we specifically incorporate it by reference into such filing or document.
1679

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Issuer Purchases of Equity Securities

The following table presents our monthly share repurchases for the quarter ended December 31, 2023:
Period(a)
Total number of shares purchased
(b)
Average price paid per share
(c)
Total number of shares purchased as part of publicly announced plans or programs
(d)
Maximum dollar value of shares that may yet be purchased under the plans or programs
October 1-31255,843 $41.23 255,843 $375.1 million
November 1-30844,963 
(1)
$37.37 816,963 $344.6 million
December 1-31261,264 $40.37 261,264 $334.0 million
Total1,362,070 $38.67 1,334,070 — 
(1)     Includes 28,000 shares purchased on November 20, 2023 at an average price of $37.01 per share by Matthew J. Desch, our chief executive officer, who may be deemed an affiliated purchaser.

To date, our board of directors has authorized the repurchase of up to $1,000.0 million of our common stock through December 31, 2025. Except for the shares purchased by Mr. Desch, all shares listed above were purchased under these authorizations in open market transactions.

Item 6. [Reserved].

Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations

A discussion regarding our financial condition and results of operations for the year ended December 31, 2022 compared to the year ended December 31, 2021 can be found in Part II, Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” of our Annual Report on Form 10-K for the year ended December 31, 2022, as filed with the SEC on February 16, 2023.

Background

We were initially formed in 2007 as GHL Acquisition Corp., a special purpose acquisition company. In 2009, we acquired all the outstanding equity in Iridium Holdings LLC and changed our name to Iridium Communications Inc.

Overview of Our Business

We are engaged primarily in providing mobile voice and data communications services using a constellation of orbiting satellites. We are the only commercial provider of communications services offering true global coverage, connecting people, organizations and assets to and from anywhere, in real time. Our low-earth orbit, L-band satellite network provides reliable, weather-resilient communications services to regions of the world where terrestrial wireless or wireline networks do not exist or are limited, including remote land areas, open ocean, airways, the polar regions and regions where the telecommunications infrastructure has been affected by political conflicts or natural disasters.

We provide voice and data communications services to businesses, the U.S. and foreign governments, non-governmental organizations and consumers via our satellite network, which has an architecture of 66 operational satellites with in-orbit spares and related ground infrastructure. We utilize an interlinked mesh architecture to route traffic across the satellite constellation using radio frequency crosslinks between satellites. This unique architecture minimizes the need for ground facilities to support the constellation, which facilitates the global reach of our services and allows us to offer services in countries and regions where we have no physical presence.

We sell our products and services to commercial end users through a wholesale distribution network, encompassing approximately 100 service providers, 300 value-added resellers, or VARs, and 85 value-added manufacturers, or VAMs, who either sell directly to the end user or indirectly through other service providers, VARs or dealers. These distributors often integrate our products and services with other complementary hardware and software and have developed a broad suite of applications for our products and services targeting specific lines of business.
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At December 31, 2023, we had approximately 2,279,000 billable subscribers worldwide, an increase of 280,000, or 14%, from approximately 1,999,000 billable subscribers at December 31, 2022. We have a diverse customer base, including end users in land-mobile, Internet of Things, or IoT, maritime, aviation and government.

We recognize revenue primarily from the provision of services and the sale of equipment. Service revenue represented 74% of total revenue for each of the years ended December 31, 2023 and 2022. Voice and data, IoT data and broadband service revenues have historically generated higher margins than subscriber equipment revenue, and we expect this trend to continue. We also recognize revenue from our hosted payloads, principally from Aireon, including fees for hosting the payloads and fees for transmitting data from the payloads over our network, as well as revenue from other services, such as satellite time and location services.

Launch Services Agreements

During 2022, we entered into agreements with Space Exploration Technology Corp. and Thales Alenia Space France for launch and related services, to launch up to five of our ground spare satellites. The contract price under these agreements was approximately $40.0 million in the aggregate. In May 2023, we launched five of our remaining ground spare satellites, bringing our total number of in-orbit spares to 14. Following completion of successful on-orbit testing of the five launched satellites, we had no plans to use, develop or launch the remaining ground spare and wrote off the full amount remaining in construction-in-progress for that satellite by recording accelerated depreciation expense of $37.5 million during the second quarter of 2023.

Term Loan

On September 20, 2023, pursuant to an amended and restated credit agreement, or the Credit Agreement, we refinanced our previously existing term loan resulting in total borrowing of $1,500.0 million, which as amended and restated we refer to as the Term Loan. We also have an accompanying $100.0 million revolving loan, or the Revolving Facility. The Term Loan now bears interest at an annual rate equal to the Secured Overnight Financing Rate, or SOFR, plus 2.50%, with a 0.75% SOFR floor. We typically select a one-month interest period, with the result that interest is calculated using one-month SOFR. Interest is paid monthly on the last business day of the month. The maturity date of the Term Loan is in September 2030. Principal payments, payable quarterly beginning with the quarter ending March 31, 2024, equal $15.0 million per annum, which is one percent of the full principal amount of the Term Loan, with the remaining principal due upon maturity.

The Revolving Facility bears interest at an annual rate of SOFR plus 2.50% (but without a SOFR floor) if and as drawn, with no original issue discount, a commitment fee of 0.5% per year on the undrawn amount, which will be reduced to 0.375% if we have a consolidated first lien net leverage ratio, as defined in the Credit Agreement, of less than 3.5 to 1, and a maturity date in September 2028. See Note 7 to the consolidated financial statements included in this annual report for further discussion of our Term Loan and Revolving Facility.

In the fourth quarter of 2022, we elected to prepay $100.0 million of principal on the previously existing term loan. As of December 31, 2023, we reported an aggregate balance of $1,500.0 million in borrowings under the Term Loan, before $17.5 million of net deferred financing costs, for a net principal balance of $1,482.5 million outstanding in our consolidated balance sheet. We have not drawn on our Revolving Facility.

Our Term Loan contains no financial maintenance covenants. With respect to the Revolving Facility, we are required to maintain a consolidated first lien net leverage ratio of no greater than 6.25 to 1 if more than 35% of the Revolving Facility has been drawn. The Credit Agreement contains other customary representations and warranties, affirmative and negative covenants, and events of default. We were in compliance with all covenants under the Credit Agreement as of December 31, 2023.

The Credit Agreement restricts our ability to incur liens, engage in mergers or asset sales, pay dividends, repay subordinated indebtedness, incur indebtedness, make investments and loans, and engage in other transactions as specified in the Credit Agreement. The Credit Agreement provides for specified exceptions, including baskets measured as a percentage of trailing twelve months of earnings before interest, taxes, depreciation and amortization, or EBITDA, and unlimited exceptions in the case of incurring indebtedness and liens and making investments, dividend payments, and payments of subordinated indebtedness, based on achievement and maintenance of specified leverage ratios. The Credit Agreement permits repayment, prepayment, and repricing transactions, subject, in the case of the Term Loan, to a 1% penalty in the event the Term Loan is prepaid or repriced within the first six months from the refinancing date. The Credit Agreement also contains a mandatory prepayment sweep mechanism with respect to a portion of our excess cash flow (as defined in the Credit Agreement) in the
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event our net leverage ratio rises above 3.5 to 1. As of December 31, 2023, our leverage ratio was below the specified level, and we were not required to make a mandatory prepayment with respect to 2023 cash flows.

Derivative Financial Instruments

We previously entered into a long-term interest rate swap, or the Swap, to mitigate variability in forecasted interest payments on a portion of our borrowings under the Term Loan. The Swap expired in November 2021. Under the Swap, on the last business day of each month, we received variable interest payments based on one-month LIBOR from the counterparty. We paid a fixed rate of 1.565% per annum on the Swap.

In July 2021, we entered into an interest rate cap agreement, or the Cap, that began in December 2021. The Cap manages our exposure to interest rate movements on a portion of the Term Loan through November 2026. The Cap, which was not affected by the refinancing of the Term Loan in September 2023, is designed to mirror the terms of the Term Loan and to offset the cash flows being hedged. We designated the Cap as a cash flow hedge of the variability of the SOFR-based interest payments on the Term Loan. The effective portion of the Cap’s change in fair value is recorded in accumulated other comprehensive income (loss) and reclassified into earnings during the period in which the hedged transaction affects earnings.

In December 2022, we modified the Cap to replace the previous LIBOR base rate with SOFR and received a credit risk adjustment from the counterparty of 0.064%. The modified Cap now provides us the right to receive payment from the counterparty if one-month SOFR exceeds 1.436% (1.5% less 0.064%). Prior to the amendment, we received payment under the terms of the Cap if one-month LIBOR exceeded 1.5%. We began paying a fixed monthly premium based on an annual rate of 0.31% for the Cap in December 2021. The Cap carried a notional amount of $1.0 billion as of December 31, 2023 and 2022.

We also entered into an interest rate swaption agreement, or the Swaption, for which we paid a fixed annual rate of 0.50%. We sold the Swaption in May 2021 for $0.7 million but continued to pay the fixed rate through the expiration of the Swaption in November 2021.

At inception, the Swap and Swaption were designated as cash flow hedges for hedge accounting. The unrealized changes in market value were recorded in accumulated other comprehensive income (loss), and any remaining balance was reclassified into earnings during the period in which the hedged transaction affected earnings. Due to the changes made to the Term Loan as a result of the July 2021 repricing, at that time, we elected to de-designate the Swap as a cash flow hedge. Accordingly, as the related interest payments were still probable, the accumulated balance within other comprehensive income (loss) as of the de-designation date was amortized into earnings through the November 2021 expiration date.

See Note 8 to our consolidated financial statements included in this report for further discussion of our derivative financial instruments.

Total Interest on Debt and Loss on Extinguishment

Total interest incurred includes amortization of deferred financing fees and capitalized interest. Due to the refinancing of the Term Loan in 2023, we incurred third-party financing costs of $15.9 million, of which $14.7 million was expensed. Due to the prepayments on the Term Loan in the fourth quarter of 2022, we incurred a $1.2 million loss on extinguishment of debt for the write-off of the related unamortized debt issuance costs for the portion of the Term Loan that was prepaid. To reprice the Term Loan in 2021, we incurred third-party financing costs of $4.9 million. These costs were expensed and are included within interest expense on the consolidated statements of operations and comprehensive income (loss) for the years ended December 31, 2023, 2022 and 2021. The repricings of the Term Loan in 2021 resulted in a $0.9 million loss on extinguishment of debt, as we wrote off the unamortized debt issuance costs related to the lenders who were fully repaid in an exchange of principal.

Total interest incurred during the years ended December 31, 2023, 2022 and 2021 was $102.3 million, $72.1 million and $72.8 million, respectively. Interest incurred includes amortization of deferred financing fees of $4.0 million, $4.8 million and $4.3 million for the years ended December 31, 2023, 2022 and 2021, respectively. Interest capitalized during the years ended December 31, 2023, 2022 and 2021 was $5.1 million, $2.6 million and $2.1 million, respectively. As of December 31, 2023 and 2022, accrued interest on the Term Loan was $1.0 million and $0.3 million, respectively.

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Material Trends and Uncertainties
 
Our industry and customer base have historically grown as a result of:
demand for remote and reliable mobile communications services;
a growing number of new products and services and related applications;
a broad wholesale distribution network with access to diverse and geographically dispersed niche markets;
increased demand for communications services by disaster and relief agencies and emergency first responders;
improved data transmission speeds for mobile satellite service offerings;
regulatory mandates requiring the use of mobile satellite services;
a general reduction in prices of mobile satellite services and subscriber equipment; and
geographic market expansion through the ability to offer our services in additional countries.

Nonetheless, we face a number of challenges and uncertainties in operating our business, including:
our ability to maintain the health, capacity, control and level of service of our satellites;
our ability to develop and launch new and innovative products and services;
changes in general economic, business and industry conditions, including the effects of currency exchange rates;
our reliance on a single primary commercial gateway and a primary satellite network operations center;
competition from other mobile satellite service providers and, to a lesser extent, from the expansion of terrestrial-based cellular phone systems and related pricing pressures;
market acceptance of our products;
regulatory requirements in existing and new geographic markets;
challenges associated with global operations, including as a result of conflicts in or affecting markets in which we operate;
rapid and significant technological changes in the telecommunications industry;
our ability to generate sufficient internal cash flows to repay our debt;
reliance on our wholesale distribution network to market and sell our products, services and applications effectively;
reliance on a global supply chain, including single-source suppliers for the manufacture of most of our subscriber equipment and for some of the components required in the manufacture of our end-user subscriber equipment and our ability to purchase component parts that are periodically subject to shortages resulting from surges in demand, natural disasters or other events, including a global pandemic, such as COVID-19; and
reliance on a few significant customers, particularly agencies of the U.S. government, for a substantial portion of our revenue, as a result of which the loss or decline in business with any of these customers may negatively impact our revenue and collectability of related accounts receivable.

Critical Accounting Policies and Estimates
 
The discussion and analysis of our financial condition and results of operations is based upon our consolidated financial statements, which have been prepared in accordance with accounting principles generally accepted in the United States, or U.S. GAAP. The preparation of these financial statements requires the use of estimates and judgments that affect the reported amounts of assets, liabilities, revenue and expenses, and related disclosure of contingent assets and liabilities. On an ongoing basis, we evaluate our estimates, including those related to revenue recognition, income taxes, useful lives of property and equipment, loss contingencies, and other estimates. We base our estimates on historical experience and on various other assumptions that we believe to be reasonable under the circumstances. Actual results may differ from these estimates under different assumptions or conditions.
 
The accounting policies we believe to be most critical to understanding our financial results and condition and that require complex and subjective management judgments are discussed below. Our accounting policies are more fully described in Note 2 to the consolidated financial statements included in this report.
 
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Income Taxes

We account for income taxes using the asset and liability approach. This approach requires that we recognize deferred tax assets
and liabilities based on differences between the financial statement bases and tax bases of our assets and liabilities. Deferred tax
assets and liabilities are recorded based upon enacted tax rates for the period in which the deferred tax items are expected to
reverse. Changes in tax laws or tax rates in various jurisdictions are reflected in the period of change. Significant judgment is
required in the calculation of our tax provision and the resulting tax liabilities as well as our ability to realize our deferred tax
assets. Our estimates of future taxable income and any changes to such estimates can significantly impact our tax provision in a
given period. Significant judgment is required in determining our ability to realize our deferred tax assets related to federal,
state and foreign tax attributes within their carryforward periods including estimating the amount and timing of the future
reversal of deferred tax items in our projections of future taxable income. A valuation allowance is established to reduce
deferred tax assets to the amounts we expect to realize in the future. We also recognize tax benefits related to uncertain tax
positions only when we estimate that it is “more likely than not” that the position will be sustainable based on its technical
merits. If actual results are not consistent with our estimates and assumptions, this may result in material changes to our income
tax provision.

Property and Equipment
 
Property and equipment are stated at cost, less accumulated depreciation and amortization. Property and equipment are depreciated or amortized over their estimated useful lives. We apply judgment in determining the useful lives based on factors such as engineering data, our long-term strategy for using the assets, the manufacturer’s estimated design life for the assets, laws and regulations that could impact the useful lives of the assets and other economic factors. In evaluating the useful lives of our satellites, we assess the current estimated operational life of the satellites, including the potential impact of environmental factors on the satellites, ongoing operational enhancements and software upgrades. Additionally, we review engineering data relating to the operation and performance of our satellite network.
 
We depreciate our satellites over the shorter of their potential operational life or the period of their expected use. The appropriateness of the useful lives is evaluated on a quarterly basis or as events occur that require additional assessment. The upgraded satellites that have been placed into service are depreciated using the straight-line method over their respective estimated useful lives. If the estimated useful lives of our upgraded satellites change, it could have a material impact on the timing of the recognition of depreciation expense and hosted payload revenue.

In the fourth quarter of 2023, we updated our estimate of the satellites’ remaining useful lives based on the health of the constellation, resulting in an extension from 12.5 years to 17.5 years. If our actual operational results are not consistent with our estimates and assumptions, however, we may experience further changes in depreciation and amortization expense that could be material to our results of operations. See Note 2 to the consolidated financial statements included in this report for further detail on the impact of this change.
 

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Comparison of Our Results of Operations for the Years Ended December 31, 2023 and 2022 
Year Ended December 31, 
% of Total
Revenue
% of Total
Revenue
Change
($ In thousands)20232022DollarsPercent
Revenue:      
Service revenue
Commercial$478,454 61 %$428,721 59 %$49,733 12 %
Government106,000 13 %106,000 15 %— %
Total service revenue584,454 74 %534,721 74 %49,733 %
Subscriber equipment105,136 13 %134,714 19 %(29,578)(22)%
Engineering and support services101,133 13 %51,599 %49,534 96 %
Total revenue790,723 100 %721,034 100 %69,689 10 %
Operating expenses:      
Cost of services (exclusive of depreciation     
and amortization)158,710 20 %115,137 16 %43,573 38 %
Cost of subscriber equipment66,410 %86,012 12 %(19,602)(23)%
Research and development20,269 %16,218 %4,051 25 %
Selling, general and administrative143,706 18 %123,504 17 %20,202 16 %
Depreciation and amortization320,000 41 %303,484 43 %16,516 %
Total operating expenses709,095 90 %644,355 90 %64,740 10 %
Operating income81,628 10 %76,679 10 %4,949 %
Other expense:      
Interest expense, net(90,387)(11)%(65,089)(9)%(25,298)39 %
Loss on extinguishment of debt— %(1,187)%1,187 (100)%
Other income, net
4,012 %107 %3,905 3,650 %
Total other expense(86,375)(10)%(66,169)(9)%(20,206)31 %
Income (loss) before income taxes and equity in net earnings of affiliates
(4,747)%10,510 %(15,257)(145)%
Income tax benefit (expense)26,251 %(292)%26,543 (9,090)%
Loss on equity method investments
(6,089)(1)%(1,496)%(4,593)307 %
Net income
$15,415 %$8,722 %$6,693 77 %
 

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Commercial Service Revenue
Year Ended December 31,
20232022Change
Revenue
Billable
Subscribers (1)
ARPU (2)
Revenue
Billable
Subscribers (1)
ARPU (2)
RevenueBillable
Subscribers
ARPU
(Revenue in millions and subscribers in thousands)
Commercial services:
Voice and data$219.2 408 $45 $193.1 397 $42 $26.1 11 $
IoT data141.0 1,709 $7.45 125.0 1,448 $7.89 16.0 261 $(0.44)
Broadband (3)
57.9 16.7 $305 51.1 15.0 $302 6.8 1.7 $
Hosted payload and other data60.3 N/A59.5 N/A0.8 N/A
Total commercial services$478.4 2,134  $428.7 1,860  $49.7 274  
 
(1)Billable subscriber numbers are shown as of the end of the respective period.
(2)Average monthly revenue per unit, or ARPU, is calculated by dividing revenue in the respective period by the average of the number of billable subscribers at the beginning of the period and the number of billable subscribers at the end of the period and then dividing the result by the number of months in the period. Billable subscriber and ARPU data is not applicable for hosted payload and other data service revenue items.
(3)Commercial broadband consists of Iridium OpenPort and Iridium Certus broadband services.

For the year ended December 31, 2023, total commercial service revenue increased $49.7 million, or 12%, primarily as a result of increases in voice and data, IoT, and broadband revenue mainly driven by increases in billable subscribers. Commercial voice and data revenue increased $26.1 million, or 14%, from the prior year primarily due to an increase in ARPU resulting from certain price increases in access fees and an increase in volume across voice and data services. Commercial IoT revenue increased $16.0 million, or 13%, compared to the prior year, driven by an 18% increase in IoT billable subscribers including continued strength in personal communications devices. The subscriber increase effect on revenue was partially offset by a 6% reduction in IoT ARPU, primarily due to the shifting mix of subscribers using lower ARPU plans, including the increased proportion of personal communication subscribers. Commercial broadband revenue increased $6.8 million, or 13%, compared to the prior year, due to the increase in broadband billable subscribers. Hosted payload and other service revenue increased $0.8 million, or 1%, which is relatively consistent year over year. There were two offsetting items in the current year, primarily the one-time recognition of approximately $2.0 million of revenue related to an updated estimate on a customer contract, offset by a $2.3 million decrease in hosted payload revenue related to the change in the estimated useful lives of our satellites. As a result of this change in estimate, we expect that hosted payload revenue will decrease by approximately $9.1 million per year for the remainder of the estimated useful lives.

Government Service Revenue 
 Year Ended December 31, 
 20232022Change
Revenue
Billable
Subscribers (1)
Revenue
Billable
Subscribers (1)
RevenueBillable
Subscribers
 (Revenue in millions and subscribers in thousands)
Government service revenue$106.0 145$106.0 139$— 
 
(1)Billable subscriber numbers shown are at the end of the respective period.

We provide airtime and airtime support to U.S. government and other authorized customers pursuant to our Enhanced Mobile Satellite Services, or EMSS, contract. Under the terms of this agreement, which we entered into in September 2019, authorized customers utilize specified Iridium airtime services provided through the U.S. government’s dedicated gateway. The fee is not based on subscribers or usage, allowing an unlimited number of users access to these services. Revenue for the year ended December 31, 2023 was unchanged from the prior year, in accordance with the contract.

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Subscriber Equipment Revenue

Subscriber equipment revenue decreased $29.6 million, or 22%, to $105.1 million for the year ended December 31, 2023 compared to the prior year, primarily due to the expected decrease in sales volume of Short Burst Data devices, L-Band transceivers and handsets. In 2024, we expect equipment sales to be lower than 2023 and more in line with periods prior to 2022, before we and our competitors began to experience supply chain disruptions due to the pandemic.

Engineering and Support Service Revenue
 
 Year Ended December 31, 
 20232022Change
 (In millions)
Commercial$11.0 $7.8 $3.2 
Government90.1 43.8 46.3 
Total$101.1 $51.6 $49.5 
 
Engineering and support service revenue increased by $49.5 million, or 96%, for the year ended December 31, 2023 compared to the prior year primarily due to the increased work under certain government projects, predominantly the contract awarded by the Space Development Agency, or the SDA. Based on the SDA contract, we expect engineering and support service revenue, as well as associated expenses, to be generally higher than in prior years throughout the life of the SDA contract.
 
Operating Expenses
 
Cost of Services (exclusive of depreciation and amortization)
 
Cost of services (exclusive of depreciation and amortization) includes the cost of network engineering and operations staff, including contractors, software maintenance, product support services, and cost of services for government and commercial engineering and support service revenue.
 
Cost of services (exclusive of depreciation and amortization) increased by $43.6 million, or 38%, for the year ended December 31, 2023 compared to the prior year, primarily as a result of increased work under certain government projects, including the SDA contract, as noted above.

Cost of Subscriber Equipment

Cost of subscriber equipment includes the direct costs of equipment sold, which consist of manufacturing costs, allocation of overhead, and warranty costs.

Cost of subscriber equipment decreased $19.6 million, or 23%, for the year ended December 31, 2023 compared to the prior year period primarily due to the decrease in volume of device sales, as described above.

Research and Development

Research and development expenses increased by $4.1 million, or 25%, for the year ended December 31, 2023 compared to the prior year period based on increased spending on device-related features for our network.

Selling, General and Administrative

Selling, general and administrative expenses that are not directly attributable to the sale of services or products include sales and marketing costs as well as employee-related expenses (such as salaries, wages, and benefits), legal, finance, information technology, facilities, billing and customer care expenses.

Selling, general and administrative expenses increased by $20.2 million, or 16%, for the year ended December 31, 2023, primarily due to personnel costs from increased headcount and higher employee stock-based compensation expense, increased marketing expenses and increased professional fees, offset in part by a decrease in stock appreciation rights expense in the current year resulting from a decrease in our stock valuation between the years.
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Depreciation and Amortization
 
Depreciation and amortization expense increased by $16.5 million, or 5%, for the year ended December 31, 2023, compared to the prior year. As described above, we recorded accelerated depreciation expense of $37.5 million for our remaining ground spare satellite in the second quarter of 2023, following completion of on-orbit testing of our five newly launched spare satellites. This increase was offset in part by a decrease in depreciation expense of $25.5 million for the year ended December 31, 2023 due to the change in estimated useful lives of our satellites. As a result of this change in estimate, we expect that depreciation expense will decrease by approximately $111.0 million per year for the remainder of the estimated useful lives.
 
Other Expense

Interest Expense, net

Interest expense, net, for the year ended December 31, 2023 was $90.4 million, compared to $65.1 million for the prior year. The increase in interest expense, net resulted primarily from the $14.7 million in fees expensed in connection with the refinancing of our Term Loan in September 2023 and an increase in the base rate of our Term Loan compared to the prior year period.

Loss on Extinguishment of Debt

Loss on extinguishment of debt was $1.2 million for the year ended December 31, 2022 as a result of our election to prepay a total of $100.0 million, and the write-off the related unamortized debt issuance costs. There were no losses for the year ended December 31, 2023 in connection with the refinancing of our Term Loan.

Other Income, net

Other income, net, was $4.0 million for the year ended December 31, 2023, compared to other expense, net, of $0.1 million for the prior year primarily as a result of a one-time customer contractual settlement which resulted in recognition of $3.5 million of other income in the fourth quarter of 2023.

Income Tax Benefit (Expense)
 
For the year ended December 31, 2023, our income tax benefit was $26.3 million, compared to income tax expense of $0.3 million for the prior year. Our effective tax rate was approximately 553.0% for the year ended December 31, 2023 compared to 2.8% for the prior year. The increase in income tax benefit is primarily related to the net impact of (i) pre-tax book loss in the current year compared to pre-tax book income in the prior year, (ii) an increase in estimated R&D credits, and (iii) an increased stock compensation tax benefit. If our current estimates change in future periods, the impact on the deferred tax assets and liabilities may change correspondingly. See Note 12 to our consolidated financial statements for more detail on the individual items impacting our effective tax rate for the years.

Loss on Equity Method Investments

For the year ended December 31, 2023, our loss on equity method investments was $6.1 million, compared to a loss $1.5 million in the prior year. The increase in loss primarily reflects the increased duration the equity method investments were outstanding and the related portion of losses recorded on our those investments during each period.

Net Income
 
Net income was $15.4 million for the year ended December 31, 2023, compared to $8.7 million during the prior year. The change primarily resulted from the increase in income tax benefit, as noted above, offset in part by an increase in interest expense related to the fees paid for the refinancing of our Term Loan and the increased base rate.

Liquidity and Capital Resources

Our primary sources of liquidity are cash provided by operations, cash and cash equivalents and our Revolving Facility. At December 31, 2023, we had $1.5 billion of indebtedness, consisting exclusively of amounts outstanding under the Term Loan, the terms of which are described above under the section captioned “Term Loan.” We have additional borrowing available to us under our Revolving Facility of $100.0 million at December 31, 2023. These sources are expected to meet our short-term and long-term liquidity needs, including annual payments for (i) required principal and interest on the Term Loan, which we expect
52


to be $15.0 million and, based on the current interest rate, approximately $80.0 million, respectively, (ii) capital expenditures of approximately $60.0 million, (iii) working capital, (iv) potential share repurchases, and (v) anticipated cash dividend payments to holders of our common stock.

As of December 31, 2023, our total cash and cash equivalents balance was $71.9 million, down from $168.8 million as of December 31, 2022. The decrease was principally the result of $247.0 million in repurchases of our common stock, $73.5 million in capital expenditures and $64.8 million in dividends paid, offset by internally generated cash flows from operations.

Contractual Obligations

As of December 31, 2023, we held non-cancelable purchase obligations of approximately $21.5 million for inventory purchases with Benchmark, our primary third-party equipment supplier. Our purchase obligations, all of which are due during 2024, decreased $35.4 million from the end of 2022 primarily due to recovery from supply-chain constraints.

Our material long-term cash requirement is the repayment of the remaining principal amount under the Term Loan upon its maturity in 2030, which is expected to be $1,402.5 million, at that time. We expect to refinance this amount at or prior to maturity.

Dividends

On December 8, 2022, our Board of Directors initiated a quarterly dividend. In each of December 2022, May 2023, September 2023 and December 2023, our Board of Directors declared a quarterly cash dividend in the amount of $0.13 per share of common stock, which were paid in March, June, September and December 2023. Total dividends paid in 2023 were $64.8 million. While we expect to continue the regular cash dividend program, any future dividends declared will be at the discretion of our Board of Directors and will depend, among other factors, upon our results of operations, financial condition and cash requirements, as well as such other factors our Board of Directors deems relevant.

Cash Flows - Comparison of the Years Ended December 31, 2023 and 2022
 
The following table shows our consolidated cash flows:
Year Ended December 31,
Statement of Cash Flows20232022Change
(in thousands)
Net cash provided by operating activities$314,913 $344,729 $(29,816)
Net cash used in investing activities$(83,487)$(121,267)$37,780 
Net cash used in financing activities$(327,052)$(374,980)$47,928 
 
Cash Flows from Operating Activities
 
Net cash provided by operating activities for the year ended December 31, 2023 decreased $29.8 million from the prior year. Cash flows related to changes in working capital decreased by approximately $38.7 million, primarily as a result of an increase in cash outflows for replenished finished goods and component inventory, including last-time buys, as well as lower cash inflows related to deferred revenue. These changes in working capital were offset by cash inflows for accounts receivable related to lower equipment sales. These changes were also partially offset by net income, as adjusted for non-cash activities, which increased by $8.9 million over the prior year. Net income was adjusted for non-cash, positive adjustments, including depreciation expense associated with the write-off of the remaining spare satellite in the third quarter, and stock-based compensation expense, partially offset by non-cash deferred taxes.
 
Cash Flows from Investing Activities
 
Net cash used in investing activities for the year ended December 31, 2023 decreased $37.8 million from the prior year period primarily as a result of our $50.0 million investment in Aireon Holdings in 2022, compared to our $10.0 million investment in Satelles in 2023, offset in part by increased capital expenditures of $2.2 million, primarily related to payments for the launched ground spares. Going forward, we expect our capital expenditures to average approximately $60.0 million per year through 2030.
 
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Cash Flows from Financing Activities

Net cash used in financing activities for the year ended December 31, 2023 decreased $47.9 million compared to the prior year period primarily due to the $108.1 million decrease in net principal payments associated with the terms under the refinancing of our Term Loan, offset in part by the $64.8 million of common stock dividends paid in 2023, as described above.

Seasonality

Our results of operations have been subject to seasonal usage changes for commercial customers, and we expect that our results will be affected by similar seasonality going forward. March through October are typically the peak months for commercial voice services revenue and related subscriber equipment sales. U.S. government revenue and commercial IoT revenue have been less subject to seasonal usage changes.

Item 7A. Quantitative and Qualitative Disclosures About Market Risk

We had an outstanding aggregate balance of $1,500.0 million under the Term Loan as of December 31, 2023. Under our Term Loan, we pay interest at an annual rate equal to SOFR plus 2.50%, with a 0.75% SOFR floor. Accordingly, we have been and continue to be subject to interest rate fluctuations. Our Cap began in December 2021, which manages our exposure to interest rate movements on a portion of our Term Loan. In 2023, the Cap provided the right for us to receive payment from the counterparty if one-month SOFR exceeded 1.436%. (See Note 8 for further details on the changes to the Cap.) As a result of the interest rate rising from the floor to the level of the Cap, we expect our annual interest expense to increase by approximately $12.0 million, or approximately $3.0 million per quarter. For every SOFR increase of 25 basis points above the level of the Cap, we expect our annual interest expense to increase by an additional $1.25 million related to the unhedged portion of the Term Loan.

We have not borrowed under our Revolving Facility. Accordingly, although the Revolving Facility bears interest at SOFR plus 2.5%, without a SOFR floor, if and as drawn, we are not currently exposed to fluctuations in interest rates with respect to our Revolving Facility.

Financial instruments that potentially subject us to concentrations of credit risk consist primarily of cash and cash equivalents, as well as accounts receivable. We maintain our cash and cash equivalents with financial institutions with high credit ratings and at times maintain the balance of our deposits in excess of federally insured limits. The majority of our cash is swept nightly into a money market fund invested in U.S. treasuries, agency mortgage backed securities and/or U.S. government guaranteed debt. Accounts receivable are due from both domestic and international customers. We perform credit evaluations of our customers’ financial condition and record reserves to provide for estimated credit losses. Accounts payable are owed to both domestic and international vendors.

54


Item 8. Financial Statements and Supplementary Data


55


Report of Independent Registered Public Accounting Firm

To the Stockholders and the Board of Directors
Iridium Communications Inc.:

Opinion on the Consolidated Financial Statements

We have audited the accompanying consolidated balance sheet of Iridium Communications Inc. and subsidiaries (the Company) as of December 31, 2023 and December 31, 2022, the related consolidated statements of operations and comprehensive income (loss), changes in stockholders’ equity, and cash flows for the years then ended, and the related notes (collectively, the consolidated financial statements). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of the Company as of December 31, 2023 and December 31, 2022, and the results of its operations and its cash flows for each of the years then ended, in conformity with U.S. generally accepted accounting principles.

Basis for Opinion

These consolidated financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on these consolidated financial statements based on our audits. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the consolidated financial statements are free of material misstatement, whether due to error or fraud. Our audits included performing procedures to assess the risks of material misstatement of the consolidated financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the consolidated financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the consolidated financial statements. We believe that our audits provides a reasonable basis for our opinion.

Critical Audit Matter

The critical audit matter communicated below is a matter arising from the current period audit of the consolidated financial statements that was communicated or required to be communicated to the audit committee and that: (1) relates to accounts or disclosures that are material to the consolidated financial statements and (2) involved our especially challenging, subjective, or complex judgments. The communication of a critical audit matter does not alter in any way our opinion on the consolidated financial statements, taken as a whole, and we are not, by communicating the critical audit matter below, providing a separate opinion on the critical audit matter or on the accounts or disclosures to which it relates.

Changes in estimated useful lives of satellites

As discussed in Note 2 to the consolidated financial statements, the Company’s satellites are depreciated using the straight-line method over their respective estimated useful lives, which was extended from 12.5 years to 17.5 years during the fourth quarter of 2023. The Company applied judgment in determining the useful lives based on factors such as engineering data relating to the operation and performance of its satellite network, the Company’s long-term strategy for using the assets, and the manufacturer’s estimated design life for the assets. As discussed in Note 4, as of December 31, 2023, the Company had recorded $1,926,487 thousand in total depreciable property and equipment, net of accumulated depreciation, which included its satellites.

We identified the evaluation of the determination of changes in estimated useful lives of satellites as a critical audit matter. A high degree of subjective auditor judgment was required to evaluate the Company’s estimated useful lives of the satellites. Specifically, assessing the factors used to determine the estimated useful lives required subjective auditor judgment due to the degree of uncertainty associated with the outcome of uncertain future events which required forward looking assumptions. Changes to the estimated useful lives of satellites could have a significant impact on the timing of recognition of depreciation expense and hosted payload revenue.

The following are the primary procedures we performed to address this critical audit matter. We evaluated the design and tested the operating effectiveness of an internal control related to the Company’s process to determine changes in the
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estimated useful lives of its satellites. We involved valuation professionals with specialized skills and knowledge, who assisted in evaluating the estimated useful lives of the satellites by:

comparing the Company’s useful life estimates to the manufacturer’s estimated design life, and the lives of its first-generation satellite constellation
reading publicly available information on the estimated useful lives of similar assets
inquiring of operations and engineering management personnel regarding satellite operation and performance
evaluating the Company’s longevity assessment for the satellites
evaluating the effect of changes, if any, in the Company’s long-term strategy for use of the assets on the useful life estimates.


/s/ KPMG LLP

We have served as the Company’s auditor since 2022.

McLean, Virginia
February 15, 2024
57


Report of Ernst & Young LLP, Independent Registered Public Accounting Firm

To the Stockholders and the Board of Directors of Iridium Communications Inc.

Opinion on the Financial Statements

We have audited the accompanying consolidated statements of operations and comprehensive income (loss), changes in stockholders’ equity, and cash flows for the year ended December 31, 2021 and the related notes (collectively referred to as the “consolidated financial statements”) of Iridium Communications Inc. (the Company). In our opinion, the consolidated financial statements present fairly, in all material respects, the results of the Company’s operations and its cash flows for the year ended December 31, 2021, in conformity with U.S. generally accepted accounting principles.

Basis for Opinion

These financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on the Company’s financial statements based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement, whether due to error or fraud. Our audit included performing procedures to assess the risks of material misstatement of the financial statements, whether due to error or fraud, and performing procedures that respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the financial statements. Our audit also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the financial statements. We believe that our audit provides a reasonable basis for our opinion.

/s/ Ernst & Young LLP
We served as the Company’s auditor from 2001 to 2022.

Tysons, Virginia
February 17, 2022


58


Iridium Communications Inc.
Consolidated Balance Sheets
(In thousands, except per share data)
 December 31, 2023December 31, 2022
Assets  
Current assets:
Cash and cash equivalents$71,870 $168,770 
Accounts receivable, net91,715 82,273 
Inventory91,135 39,776 
Prepaid expenses and other current assets16,364 15,385 
Total current assets271,084 306,204 
Property and equipment, net2,195,758 2,433,305 
Equity method investments67,130 49,853 
Other assets86,708 122,072 
Intangible assets, net41,095 42,577 
Total assets$2,661,775 $2,954,011 
Liabilities and stockholders’ equity
 
Current liabilities: 
Short-term secured debt15,000 16,500 
Accounts payable28,671 21,372 
Accrued expenses and other current liabilities54,826 67,963 
Deferred revenue33,057 35,742 
Total current liabilities131,554 141,577 
Long-term secured debt, net1,467,490 1,470,685 
Deferred income tax liabilities, net114,642 151,569 
Deferred revenue, net of current portion43,965 45,265 
Other long-term liabilities16,025 16,360 
Total liabilities1,773,676 1,825,456 
Commitments and contingencies
Stockholders’ equity:
 
Common stock, $0.001 par value, 300,000 shares authorized, 122,776 and 125,902 shares issued and outstanding at December 31, 2023 and 2022, respectively
123 126 
Additional paid-in capital1,089,466 1,124,610 
Accumulated deficit(235,397)(47,744)
Accumulated other comprehensive income, net of tax33,907 51,563 
Total stockholders’ equity
888,099 1,128,555 
Total liabilities and stockholders’ equity
$2,661,775 $2,954,011 












See notes to consolidated financial statements
59


Iridium Communications Inc.
Consolidated Statements of Operations and Comprehensive Income (Loss)
(In thousands, except per share amounts)

 Year Ended December 31,
 202320222021
Revenue:
Services$584,454 $534,721 $491,991 
Subscriber equipment105,136 134,714 92,071 
Engineering and support services101,133 51,599 30,438 
Total revenue790,723 721,034 614,500 
Operating expenses:
Cost of services (exclusive of depreciation and amortization)158,710 115,137 97,020 
Cost of subscriber equipment66,410 86,012 53,376 
Research and development20,269 16,218 11,885 
Selling, general and administrative143,706 123,504 100,474 
Depreciation and amortization320,000 303,484 305,431 
Total operating expenses709,095 644,355 568,186 
Operating income81,628 76,679 46,314 
Other income (expense):
Interest expense, net(90,387)(65,089)(73,906)
Loss on extinguishment of debt (1,187)(879)
Other income (expense), net4,012 107 (417)
Total other expense(86,375)(66,169)(75,202)
Income (loss) before income taxes and equity in net earnings of affiliates
(4,747)10,510 (28,888)
Income tax benefit (expense)26,251 (292)19,569 
Loss on equity method investments(6,089)(1,496) 
Net income (loss)15,415 8,722 (9,319)
Weighted average shares outstanding - basic125,598 128,255 133,530 
Weighted average shares outstanding - diluted127,215 130,134 133,530 
Net income (loss) attributable to common stockholders per share - basic and diluted
$0.12 $0.07 $(0.07)
Comprehensive income (loss):
Net income (loss)$15,415 $8,722 $(9,319)
Foreign currency translation adjustments(58)(53)(280)
Unrealized gain (loss) on cash flow hedges, net of tax (see Note 8)
(17,598)58,668 10,408 
Comprehensive income (loss)
$(2,241)$67,337 $809 










 See notes to consolidated financial statements
60


Iridium Communications Inc.
Consolidated Statements of Changes in Stockholders’ Equity
(In thousands)
Additional Paid-In CapitalAccumulated
Other Comprehensive Income (Loss)
Retained
Earnings (Accumulated Deficit)
Total Stockholders’ Equity
 Common Stock
 SharesAmount
Balance at December 31, 2020134,056 $134 $1,160,570 $(17,180)$275,915 $1,419,439 
Stock-based compensation— — 29,616 — — 29,616 
Stock options exercised and awards vested1,769 1 7,442 — — 7,443 
Stock withheld to cover employee taxes(144)— (5,918)— — (5,918)
Repurchases and retirements of common stock(4,339)(4)(37,652)— (125,786)(163,442)
Net loss— — — — (9,319)(9,319)
Cumulative translation adjustments— — — (280)— (280)
Unrealized gain on cash flow hedges, net of tax
— — — 10,408 — 10,408 
Balance at December 31, 2021131,342 131 1,154,058 (7,052)140,810 1,287,947 
Stock-based compensation— — 48,367 — — 48,367 
Stock options exercised and awards vested1,484 2 3,870 — — 3,872 
Stock withheld to cover employee taxes(130)— (5,293)— — (5,293)
Repurchases and retirements of common stock(6,794)(7)(59,776)— (197,276)(257,059)
Net income
— — — — 8,722 8,722 
Dividends declared— — (16,616)— — (16,616)
Cumulative translation adjustments— — — (53)— (53)
Unrealized gain on cash flow hedges, net of tax— — — 58,668 — 58,668 
Balance at December 31, 2022125,902 126 1,124,610 51,563 (47,744)1,128,555 
Stock-based compensation— — 64,139 — — 64,139 
Stock options exercised and awards vested1,788 2 3,956 — — 3,958 
Stock withheld to cover employee taxes(162)— (9,680)— — (9,680)
Repurchases and retirements of common stock(4,752)(5)(43,946)— (203,068)(247,019)
Net income
— — — — 15,415 15,415 
Dividends declared— — (49,613)— — (49,613)
Cumulative translation adjustments— — — (58)— (58)
Unrealized loss on cash flow hedges, net of tax
— — — (17,598)— (17,598)
Balance at December 31, 2023122,776 $123 $1,089,466 $33,907 $(235,397)$888,099 
 






















See notes to consolidated financial statements
61


Iridium Communications Inc.
Consolidated Statements of Cash Flows
(In thousands)
 Year Ended December 31,
 202320222021
Cash flows from operating activities:
Net income (loss)$15,415 $8,722 $(9,319)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Deferred income taxes(31,828)(1,189)(21,314)
Depreciation and amortization320,000 303,484 305,431 
Loss on extinguishment of debt  1,187 879 
Stock-based compensation (net of amounts capitalized)57,455 43,732 26,782 
Amortization of deferred financing fees3,739 4,602 4,201 
Loss on equity method investments
6,089 1,496  
All other items, net732 638 (160)
Changes in operating assets and liabilities:
Accounts receivable(9,538)(18,712)(1,823)
Inventory(50,958)(10,183)3,592 
Prepaid expenses and other current assets(1,153)(4,227)(1,696)
Other assets3,019 3,441 3,911 
Accounts payable2,759 4,730 (2,166)
Accrued expenses and other current liabilities4,899 5,929 7,170 
Deferred revenue(2,961)4,871 (7,531)
Other long-term liabilities(2,756)(3,792)(5,083)
Net cash provided by operating activities314,913 344,729 302,874 
Cash flows from investing activities:
Capital expenditures(73,487)(71,267)(42,147)
Investment in related parties
(10,000)(50,000) 
Purchases of other investments  (1,635)
Sales and maturities of marketable securities  7,400 
Net cash used in investing activities(83,487)(121,267)(36,382)
Cash flows from financing activities:
Borrowings under the Term Loan63,940  179,285 
Payments on the Term Loan(72,315)(116,500)(195,785)
Repurchases of common stock(247,019)(257,059)(163,442)
Payment of deferred financing fees(1,162) (4,052)
Proceeds from exercise of stock options3,958 3,872 7,443 
Tax payments upon settlement of stock awards(9,680)(5,293)(5,918)
Payment of common stock dividends
(64,774)  
Net cash used in financing activities(327,052)(374,980)(182,469)
Effect of exchange rate changes on cash and cash equivalents(1,274)(625)(288)
Net increase (decrease) in cash and cash equivalents and restricted cash(96,900)(152,143)83,735 
Cash, cash equivalents and restricted cash, beginning of period168,770 320,913 237,178 
Cash, cash equivalents and restricted cash, end of period$71,870 $168,770 $320,913 









See notes to consolidated financial statements
Iridium Communications Inc.
Consolidated Statements of Cash Flows, continued
(In thousands)
 
 Year Ended December 31,
 202320222021
Supplemental cash flow information:
Interest paid, net of amounts capitalized$91,936 $63,880 $72,195 
Income taxes paid, net
$4,225 $2,224 $1,784 
Supplemental disclosure of non-cash investing and financing activities:
Property and equipment received but not paid for yet$7,070 $5,697 $8,225 
Capitalized stock-based compensation$6,684 $4,635 $2,834 
Dividends accrued on common stock$1,315 $16,616 $ 









































See notes to consolidated financial statements
62


Iridium Communications Inc.
Notes to Consolidated Financial Statements
December 31, 2023 

1. Organization and Business

Iridium Communications Inc. (the “Company”), a Delaware corporation, offers voice and data communications services and products to businesses, U.S. and international government agencies and other customers on a global basis. The Company is a provider of mobile voice and data communications services via a constellation of low earth orbiting satellites. The Company holds various licenses and authorizations from the U.S. Federal Communications Commission (the “FCC”) and from foreign regulatory bodies that permit the Company to conduct its business, including the operation of its satellite constellation.

The Company’s operations are conducted through, and its operating assets are owned by, its principal operating subsidiary, Iridium Satellite LLC (“Iridium Satellite”), Iridium Satellite’s immediate parent, Iridium Holdings LLC, and their subsidiaries. As a result, there are no material differences between the information presented in these consolidated financial statements of the Company and the financial information of Iridium Holdings, Iridium Satellite and their subsidiaries, on a consolidated basis, other than as a result of tax provisions as a result of Iridium Holdings, Iridium Satellite and their subsidiaries being classified as flow-through entities for U.S. federal income tax purposes.

2. Significant Accounting Policies and Basis of Presentation

Principles of Consolidation and Basis of Presentation

The Company has prepared the consolidated financial statements in accordance with accounting principles generally accepted in the United States (“U.S. GAAP”). The accompanying consolidated financial statements include the accounts of (i) the Company, (ii) its wholly owned subsidiaries, and (iii) all less than wholly owned subsidiaries that the Company controls. All material intercompany transactions and balances have been eliminated. The Company has reclassified certain items in the consolidated financial statements for the prior periods to be comparable with the classification for the year ended December 31, 2023. These reclassifications had no effect on previously reported net income (loss).

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the financial statements and the reported amounts of income and expenses during the reporting period. On an ongoing basis, the Company evaluates its estimates and assumptions, including those related to revenue recognition, the useful lives and recoverability of long-lived and intangible assets, income taxes, stock-based compensation, the incremental borrowing rate for its leases, and contingencies, among others. The Company bases these estimates on historical and anticipated results, trends, and various other assumptions that it believes are reasonable, including assumptions as to future events. These estimates form the basis for making judgments about the carrying values of assets and liabilities and recorded revenues and expenses. Actual results could differ materially from those estimates.

Recent Accounting Pronouncements Not Yet Adopted

In November 2023, the Financial Accounting Standards Board (“FASB”) issued ASU No. 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures (“ASU 2023-07”). This guidance improves reportable segment disclosure requirements, primarily through enhanced disclosures about significant segment expenses. The Company intends to apply the new guidance effective for the year ending December 31, 2024, as required. The Company is assessing the potential effects of the standard but has not yet completed its review of the impact of this guidance.

In December 2023, the FASB issued ASU No. 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures (“ASU 2023-09”). The amendments in ASU 2023-09 address investor requests for more transparency about income tax information through improvements to income tax disclosures primarily related to the rate reconciliation and income taxes paid information. The Company intends to apply the new guidance effective for the year ending December 31, 2025, as required. The Company is currently evaluating the effect ASU 2023-09 may have on its consolidated financial statements and related disclosures.

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Fair Value Measurements

The Company evaluates assets and liabilities subject to fair value measurements on a recurring and non-recurring basis to determine the appropriate level to classify them for each reporting period. Fair value is the price that would be received from the sale of an asset or paid to transfer a liability assuming an orderly transaction in the most advantageous market at the measurement date. U.S. GAAP establishes a hierarchical disclosure framework which prioritizes and ranks the level of observability of inputs used in measuring fair value.
The fair value hierarchy consists of the following tiers:
Level 1, defined as observable inputs such as quoted prices in active markets for identical assets or liabilities;
Level 2, defined as observable inputs other than Level 1 prices such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities; and
Level 3, defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions.

The fair value estimates are based upon certain market assumptions and information available to the Company. The carrying values of the following financial instruments approximated their fair values as of December 31, 2023 and 2022: cash and cash equivalents, prepaid expenses and other current assets, accounts receivable, accounts payable, and accrued expenses and other current liabilities. Fair values approximate their carrying values because of their short-term nature. The Level 2 cash equivalents include money market funds, commercial paper and short-term U.S. agency securities. The Company also classifies its derivative financial instruments as Level 2. In determining fair value of Level 2 assets, the Company uses a market approach utilizing valuation models that incorporate observable inputs such as interest rates, bond yields and quoted prices for similar assets.

Leases

For new leases, the Company determines if an arrangement is or contains a lease at inception. Leases are included as right-of-use (“ROU”) assets within other assets and ROU liabilities within accrued expenses and other liabilities and within other long-term liabilities on the Company’s consolidated balance sheets.

ROU assets and liabilities are recognized at commencement date based on the present value of lease payments over the lease term. Certain leases contain variable contractual obligations as a result of future base rate escalations which are estimated based on observed trends and included within the measurement of present value. The Company’s leases do not provide an implicit rate. The Company uses its incremental borrowing rate based on the information available at commencement date in determining the present value of lease payments. The ROU asset also includes any lease payments made and excludes lease incentives. Lease expense for lease payments is recognized on a straight-line basis over the lease term.

The Company has lease agreements with lease and non-lease components, which are generally accounted for separately. For certain leases, such as teleport network facilities, the Company elected the practical expedient to combine lease and non-lease components as a single lease component. Taxes assessed on leases in which the Company is either a lessor or lessee are excluded from contract consideration and variable payments when measuring new lease contracts or remeasuring existing lease contracts.
Concentrations of Credit Risk
Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of cash and cash equivalents and receivables. The majority of cash is invested into a money market fund with U.S. treasuries, agency mortgage backed securities and/or U.S. government guaranteed debt. While the Company maintains its cash and cash equivalents with financial institutions with high credit ratings, it often maintains those deposits in federally insured financial institutions in excess of federally insured limits. The Company performs credit evaluations of its customers’ financial condition and records reserves to provide for estimated credit losses. Accounts receivable are due from both domestic and international customers.
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Cash and Cash Equivalents
The Company considers all highly liquid investments with original maturities of ninety days or less to be cash equivalents. These investments, along with cash deposited in institutional money market funds, regular interest bearing depository accounts and non-interest bearing depository accounts, are classified as cash and cash equivalents on the accompanying consolidated balance sheets.
Investments
Investments where the Company has the ability to exercise significant influence, but does not control, are accounted for under the equity method of accounting and are included in Equity Method Investments on the Company’s consolidated balance sheets. Significant influence typically exists if the Company’s has a 20% to 50% ownership interest in the investee. Under this method of accounting, the Company’s share of the net earnings (losses) of the investee is included in loss on equity method investments on the consolidated statement of operations and comprehensive income (loss).
Investments where the Company has less than 20% ownership interest in the investee and lacks the ability to exercise significant influence are accounted for under ASC 321-10-35, Investments - Equity Securities. Under this topic, the Company’s investment equals its cost, less impairment, if any. For investments without a readily determinable fair value, the Company performs a qualitative assessment to determine if any impairment indicator is present. If an indicator is present, the Company determines whether fair value was less than the investment’s carrying value. If the fair value is less than its carrying value or if there is an observable price change through a similar security from the same issuer, the Company would record an impairment charge.
Accounts Receivable
Trade accounts receivable are recorded at the invoiced amount and are subject to late fee penalties. Management develops its estimate of an allowance for uncollectible receivables based on the Company’s experience with specific customers, aging of outstanding invoices, its understanding of customers’ current economic circumstances and its own judgment as to the likelihood that the Company will ultimately receive payment. The Company writes off its accounts receivable when balances ultimately are deemed uncollectible. The allowance for doubtful accounts was not material as of December 31, 2023 and 2022.
Foreign Currencies
Generally, the functional currency of the Company’s foreign consolidated subsidiaries is the local currency. Assets and liabilities of its foreign subsidiaries are translated to U.S. dollars based on exchange rates at the end of the reporting period. Income and expense items are translated at the weighted-average exchange rates prevailing during the reporting period. Translation adjustments are accumulated in a separate component of stockholders’ equity. Transaction gains or losses are classified as other income (expense), net in the accompanying consolidated statements of operations and comprehensive income (loss). In instances where the financial statements of a foreign entity in a highly inflationary economy are material, they are remeasured as if the functional currency were the reporting currency. In these instances, the financial statements of those entities are remeasured into the reporting currency. A highly inflationary economy is one that has cumulative inflation of approximately 100% or more over a three-year period.

Deferred Financing Costs

Direct and incremental costs incurred in connection with securing debt financing are deferred and are amortized as additional interest expense using the effective interest method over the term of the related debt.

Capitalized Interest

During the development and construction periods of a project, such as the financing of the Company’s current satellite constellation, the Company capitalizes interest. Capitalization ceases when the asset is ready for its intended use or when these activities are substantially suspended. If some portions of a project are substantially complete and ready for use and other portions have not yet reached that stage, the Company ceases capitalizing costs on the completed portion of the project but continues to capitalize for the incomplete portion of the project.

Inventory

Inventory consists primarily of finished goods, although the Company also maintains an inventory of raw materials from third-party manufacturers. The Company outsources manufacturing of subscriber equipment to a third-party manufacturer and
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purchases accessories from third-party suppliers. The Company’s cost of inventory includes an allocation of overhead, including payroll and payroll-related costs of employees directly involved in bringing inventory to its existing condition, and freight. Inventories are valued using the average cost method and are carried at the lower of cost or net realizable value.

The Company’s expense for excess and obsolete inventory was not material during the years ended December 31, 2023, 2022 or 2021.

The Company has a manufacturing agreement with Benchmark Electronics Inc. (“Benchmark”) to manufacture most of its subscriber equipment. Pursuant to the agreement, the Company may be required to purchase excess materials at cost plus a contractual markup if the materials are not used in production within the periods specified in the agreement. Benchmark will then repurchase such materials from the Company at the same price paid by the Company, as required for the production of the subscriber equipment.

The following table summarizes the Company’s inventory balance:
December 31,
 20232022
 (In thousands)
Finished goods$48,698 $17,964 
Raw materials43,599 23,014 
Inventory valuation reserve(1,162)(1,202)
Total$91,135 $39,776 

The Company’s raw materials balance includes $32.2 million and $9.0 million at December 31, 2023 and December 31, 2022, respectively, of inventory held on consignment at third-party manufacturers.

Stock-Based Compensation

The Company accounts for stock-based compensation at estimated fair value. The fair value of stock options is determined at the grant date using the Black-Scholes-Merton option pricing model. The fair value of restricted stock units (“RSUs”) is equal to the closing price of the underlying common stock on the grant date. The fair value of an award that is ultimately expected to vest is recognized on a straight-line basis over the requisite service or performance period and is classified in the consolidated statements of operations and comprehensive income (loss) in a manner consistent with the classification of the recipient’s compensation. The expected vesting of the Company’s performance-based RSUs is based upon the probability that the Company achieves the defined performance goals. The level of achievement of performance goals, if any, is determined by the Compensation Committee. Stock-based awards to non-employee consultants are expensed at their grant-date fair value as services are provided according to the terms of their agreements and are classified in selling, general and administrative expenses in the accompanying consolidated statements of operations and comprehensive income (loss). The following table presents the classification of stock-based compensation by line item on the balance sheet and statement of operations:
As of and For Year Ended December 31,
 20232022
 (In thousands)
Property and equipment, net$5,963 $4,018 
Inventory721 617 
Cost of subscriber equipment60 69 
Cost of services (exclusive of depreciation and amortization)16,128 12,337 
Research and development1,282 648 
Selling, general and administrative39,985 30,678 
Total stock-based compensation$64,139 $48,367 

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Property and Equipment

Property and equipment is carried at cost less accumulated depreciation. The Company calculates depreciation expense using the straight-line method over the useful lives of each asset. The Company applies judgment in determining the useful lives based on factors such as engineering data, long-term strategy for using the assets, the manufacturer’s estimated design life for the assets, laws and regulations that could impact the useful lives of the assets and other economic factors. The Company assesses the current estimated operational life of the satellites, including the potential impact of environmental factors on the satellites, ongoing operational enhancements and software upgrades when evaluating the useful lives of its satellites. Additionally, the Company reviews engineering data relating to the operation and performance of its satellite network.
 
During the fourth quarter of 2023, the Company updated its estimate of the satellites’ remaining useful lives based on the health of the constellation and related engineering data. As a result, the estimated useful lives of the satellites were extended by five years, from 12.5 years to 17.5 years. The impact of this change for the year ended December 31, 2023 was a decrease in depreciation expense of approximately $27.8 million and a decrease in hosted payload and other service revenue of approximately $2.3 million. For the year ended December 31, 2023, the impact of the change in useful lives of the satellites resulted in an increase in basic and diluted net income per share of $0.21 and $0.20, respectively.

During the quarter ended June 30, 2023, the Company launched five of its remaining six ground spare satellites. Following completion of successful on-orbit testing of the five launched satellites, the Company has no plans to use, develop or launch the remaining ground spare. As the Company believed the construction-in-progress associated with the remaining ground spare satellite would no longer be used, the Company wrote off the full amount remaining in construction-in-progress for that satellite by recording accelerated depreciation expense of $37.5 million, which more than offset the decrease in depreciation expense related to the increase in estimated useful lives of the satellites described above.

Repairs and maintenance costs are expensed as incurred.

Derivative Financial Instruments

The Company uses derivatives (interest rate swap, swaption, cap) to manage its exposure to fluctuating interest rate risk on variable rate debt. Its derivatives are measured at fair value and are recorded on the consolidated balance sheets within assets and other current liabilities. When the Company’s derivatives are designated as cash flow hedges, the effective portion of the changes in fair value of the derivatives are recorded in accumulated other comprehensive income (loss) within the Company’s consolidated balance sheets and subsequently recognized in earnings when the hedged items impact earnings. Any ineffective portion of a derivative’s change in fair value will be recognized in earnings in the same period in which the hedged interest payments affect earnings. Within the consolidated statements of operations and comprehensive income (loss), the gains and losses related to cash flow hedges are recognized within interest income (expense), net, as this is the same financial statement line item associated with the hedged items. Cash flows from hedging activities are included in operating activities within the Company’s consolidated statements of cash flows, which is the same category as the item being hedged. See Note 8 for further information.
Long-Lived Assets

The Company assesses its long-lived assets for impairment when indicators of impairment exist. Recoverability of assets is measured by comparing the carrying amounts of the assets to the future undiscounted cash flows expected to be generated by the assets. Any impairment loss would be measured as the excess of the assets’ carrying amount over their fair value.
Intangible Assets

The Company’s intangible assets with finite lives are amortized over their useful lives and reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of the asset may not be recoverable. If any indicators were present, the Company would test for recoverability by comparing the carrying amount of the asset to the net undiscounted cash flows expected to be generated from the asset. If those net undiscounted cash flows do not exceed the carrying amount (i.e., the asset is not recoverable), the Company would perform the next step, which is to determine the fair value of the asset and record an impairment loss, if any. The Company evaluates the useful lives for these intangible assets each reporting period to determine whether events and circumstances warrant a revision in their remaining useful lives.

The Company’s intangible assets with indefinite lives are not amortized but are tested for impairment annually, or more frequently if events or changes in circumstances indicate the asset may be impaired. The Company’s trade names, spectrum and licenses are expected to generate cash flows indefinitely.
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Revenue Recognition

The Company derives its revenue primarily as a wholesaler of satellite communications products and services. The primary types of revenue include (i) service revenue (access and usage-based airtime fees), (ii) subscriber equipment revenue, and (iii) revenue generated by providing engineering and support services to commercial and government customers. In addition to the discussion immediately below, see Note 11 for further discussion of the Company’s revenue recognition.
Wholesaler of satellite communications products and services

Pursuant to wholesale agreements, the Company sells its products and services to service providers and recognizes revenue as it fulfills its performance obligations to the service providers, based an amount that reflects the consideration to which it expects to be entitled to in exchange for those products and services. The service providers, in turn, sell the products and services to other distributors or directly to the end users. The Company recognizes revenue when an arrangement exists, services or equipment are transferred, the transaction price is determined, the arrangement has commercial substance, and collection of consideration is probable.

Contracts with multiple performance obligations

At times, the Company sells services and equipment through arrangements that bundle equipment, airtime and other services. For these revenue arrangements, when the Company sells services and equipment in bundled arrangements and determines that it has separate distinct performance obligations, the Company allocates the bundled contract price among the various performance obligations based on each deliverable’s stand-alone selling price. If the stand-alone selling price is not directly observable, the Company estimates the amount to be allocated for each performance obligation based on observable market transactions or the residual approach. When the Company determines the performance obligations are not distinct, the Company recognizes revenue on a combined basis. To the extent the Company’s contracts include variable consideration, the transaction price includes both fixed and variable consideration. The variable consideration contained within the Company’s contracts with customers may include discounts, credits and other similar items. When a contract includes variable consideration, the Company evaluates the estimate of the variable consideration to determine whether the estimate needs to be constrained; therefore, the Company includes the variable consideration in the transaction price only to the extent that it is probable that a significant reversal of the amount of cumulative revenue recognized will not occur when the uncertainty associated with the variable consideration is subsequently resolved. Variable consideration estimates are updated at the end of each quarter.

Service revenue sold on a stand-alone basis

Service revenue is generated from the Company’s service providers through usage of its satellite system and through fixed monthly access fees per user charged to service providers. Revenue for usage is recognized when usage occurs and is billed in arrears with payments generally submitted within 30 days. Revenue for fixed-per-user access fees is billed monthly in advance and generally recognized over the month, or related usage period, in which the services are provided to the end user. The Company sells prepaid services in the form of e-vouchers and prepaid cards. A liability is established equal to the cash paid upon purchase for the e-voucher or prepaid card. The Company recognizes revenue from (i) the prepaid services upon the use of the e-voucher or prepaid card by the customer and (ii) the estimated pattern of use. The Company does not offer refunds for unused prepaid services.

Services sold to the U.S. government

The Company provides airtime and airtime support to U.S. government and other authorized customers pursuant to the Enhanced Mobile Satellite Services (“EMSS”) contract managed by the U.S. Space Force. Under the terms of this agreement, authorized customers continue to utilize airtime services, provided through the U.S. government’s dedicated gateway. These services include unlimited global standard and secure voice, low and high-speed data, paging, broadcast and Distributed Tactical Communications Services (“DTCS”) services for an unlimited number of Department of Defense (“DoD”) and other federal subscribers. Under this contract, revenue is based on the annual fee for the fixed-price contract with unlimited subscribers and is recognized on a straight-line basis over each contractual year, with equal payments submitted monthly. The U.S. government purchases its subscriber equipment from third-party distributors and not directly from the Company.

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Subscriber equipment sold on a stand-alone basis

The Company recognizes subscriber equipment sales and the related costs when title to the equipment (and the risks and rewards of ownership) passes to the customer, typically upon shipment. Customers are billed when inventory is shipped, and payment is generally due within 30 days. Customers do not have rights of return without prior consent from the Company.

Government engineering and support services

The Company provides maintenance services to the U.S. government’s dedicated gateway. This revenue is recognized ratably over the periods in which the services are provided; the related costs are expensed as incurred.

Other government and commercial engineering and support services

The Company also provides engineering services to assist customers in developing new technologies for use on the Company’s satellite system. Fees to customers under these agreements are generally based on milestones, and payments are submitted as milestones are achieved. The revenue associated with fixed-fee contracts is recognized over time using costs incurred to date relative to total estimated costs at completion to measure progress toward satisfying its performance obligation. The Company does not include purchases of goods from a third party in its evaluation of costs incurred. Incurred costs represent work performed, which corresponds with, and thereby best depicts, the transfer of control to the customer. The revenue associated with cost-plus-fixed-fee contracts is recognized to the extent of estimated costs incurred plus the applicable fees earned. The Company considers fixed fees under cost-plus-fixed-fee contracts to be earned in proportion to the allowable costs incurred in performance of the contract.

Research and Development

Research and development costs are charged to expense in the period in which they are incurred.

Advertising Costs

Costs associated with advertising and promotions are expensed as incurred. Advertising expenses were $1.4 million, $1.7 million and $1.9 million for the years ended December 31, 2023, 2022 and 2021, respectively.

Income Taxes

The Company accounts for income taxes using the asset and liability approach, which requires the recognition of tax benefits or
expenses for temporary differences between the financial reporting and tax bases of assets and liabilities. A valuation allowance is established when necessary to reduce deferred tax assets to the amounts expected to be realized. The Company also recognizes a tax benefit from uncertain tax positions only if it is “more likely than not” that the position is sustainable based on its technical merits. The Company’s policy is to recognize interest and penalties on uncertain tax positions as a component of income tax expense.

Net Income (Loss) Per Share

The Company calculates basic net income (loss) per share by dividing net income (loss) attributable to common stockholders by the weighted-average number of shares of common stock outstanding during the period. Diluted net income (loss) per share takes into account the effect of potentially dilutive common shares when the effect is dilutive. The effect of potentially dilutive common shares, including common stock issuable upon exercise of outstanding stock options, is computed using the treasury stock method. The effect of potentially dilutive common shares from the conversion of outstanding convertible preferred securities was computed using the as-if converted method at the stated conversion rate. The Company’s unvested RSUs awarded to the board of directors contain non-forfeitable rights to dividends and therefore are considered to be participating securities in periods of net income. The calculation of basic and diluted net income (loss) per share excludes net income attributable to these unvested RSUs from the numerator and excludes the impact of these unvested RSUs from the denominator.

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3. Cash and Cash Equivalents

Cash and Cash Equivalents
The following table summarizes the Company’s cash and cash equivalents:
 
December 31,Recurring Fair
Value Measurement
20232022
 (In thousands) 
Cash and cash equivalents: 
Cash$32,526 $16,247  
Money market funds39,344 152,523 Level 2
Total cash and cash equivalents$71,870 $168,770  

4. Property and Equipment

The following table presents the composition of property and equipment:
December 31,
 
Useful Life
20232022
 (In thousands)
Satellite system17.5 years$3,242,829 $3,197,460 
Ground system5-7 years70,497 73,890 
Equipment3-5 years51,788 49,423 
Internally developed software and purchased software3-7 years332,824 297,538 
Building and leasehold improvements5-39 years33,433 32,695 
 Total depreciable property and equipment
3,731,371 3,651,006 
Less: accumulated depreciation(1,804,884)(1,538,535)
Total depreciable property and equipment, net of accumulated depreciation1,926,487 2,112,471 
Land8,037 8,037 
Construction-in-process:
Spare satellites
181,557 225,254 
Other construction-in-process79,677 87,543 
Total property and equipment, net of accumulated depreciation
$2,195,758 $2,433,305 
 
Depreciation expense was $318.5 million, $301.9 million and $303.8 million for the years ended December 31, 2023, 2022 and 2021, respectively. See “Property and Equipment” in Note 2 above for more information with respect to depreciation expense incurred in the year ended December 31, 2023.

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5. Intangible Assets

The following table presents identifiable intangible assets:

 December 31, 2023
Useful
Life
Gross
Carrying Value
Accumulated
Amortization
Net
Carrying Value
 (In thousands)
Indefinite life intangible assets: 
Trade namesIndefinite$21,195 $— $21,195 
Spectrum and licensesIndefinite14,030 — 14,030 
Total 35,225 — 35,225 
Definite life intangible assets: 
Intellectual property20 years16,439 (10,987)5,452 
Assembled workforce7 years5,678 (5,678) 
Patents14 - 20 years587 (169)418 
Total 22,704 (16,834)5,870 
Total intangible assets $57,929 $(16,834)$41,095 

 December 31, 2022
Useful
Life
Gross
Carrying Value
Accumulated
Amortization
Net
Carrying Value
 (In thousands)
Indefinite life intangible assets: 
Trade namesIndefinite$21,195 $— $21,195 
Spectrum and licensesIndefinite14,030 — 14,030 
Total 35,225 — 35,225 
Definite life intangible assets: 
Intellectual property20 years16,439 (10,347)6,092 
Assembled workforce7 years5,678 (4,867)811 
Patents14 - 20 years576 (127)449 
Total 22,693 (15,341)7,352 
Total intangible assets $57,918 $(15,341)$42,577 

Amortization expense was $1.5 million, $1.6 million and $1.6 million for the years ended December 31, 2023, 2022 and 2021, respectively.

The following table presents future amortization expense with respect to intangible assets existing at December 31, 2023, by year and in the aggregate:

Year ending December 31,Amount
 (In thousands)
2024$473 
2025473 
2026
473 
2027
473 
2028
473 
Thereafter3,505 
Total estimated future amortization expense$5,870 

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6. Leases

The Company has operating leases for land, office space, satellite network operations center (“SNOC”) facilities, system gateway facilities, a warehouse and a distribution center. The Company also has operations and maintenance (“O&M”) agreements that include leases associated with two teleport network facilities. Some of the Company’s leases include options to extend the leases for up to 10 years. The Company does not include term extension options as part of its present value calculation of lease liabilities unless it is reasonably certain to exercise those options. As of December 31, 2023, the Company’s weighted-average remaining lease term relating to its operating leases was 4.7 years, and the weighted-average discount rate used to calculate the operating lease liability payment was 6.7%.
The following table summarizes the Company’s lease-related assets and liabilities:
LeasesClassificationDecember 31, 2023December 31, 2022
(In thousands)
Operating lease assets
NoncurrentOther assets$16,133 $16,925 
Total lease assets$16,133 $16,925 
Operating lease liabilities
CurrentAccrued expenses and other current liabilities$4,327 $3,784 
NoncurrentOther long-term liabilities$14,087 15,801 
Total lease liabilities$18,414 $19,585 

During the years ended December 31, 2023, 2022 and 2021, the Company incurred lease expense of $5.2 million, $5.2 million and $5.6 million, respectively. A portion of lease expense during these comparable periods was derived from leases that were not included within the ROU asset and liability balances shown above as they had terms shorter than twelve months and were therefore excluded from balance sheet recognition under ASU 2016-02.
The following table presents future payment obligations with respect to the Company’s operating leases in which it was the lessee at December 31, 2023, by year and in the aggregate:
Year Ending December 31,Amount
(In thousands)
2024
$5,548 
2025
5,646 
2026
3,792 
2027
2,226 
2028
1,982 
Thereafter2,592 
Total lease payments$21,786 

Lessor Arrangements
Operating leases in which the Company is a lessor consist primarily of hosting agreements with Aireon LLC (“Aireon”) (see Note 14) and L3Harris Technologies, Inc. (“L3Harris”) for space on the Company’s satellites. These agreements provide for a fee that will be recognized over the estimated useful lives of the satellites, which is now approximately 17.5 years, prospectively from the change in estimated useful lives of the satellites that occurred in the fourth quarter of 2023. Lease income related to these agreements was $19.2 million for the year ended December 31, 2023 and $21.4 million for each of the years ended December 31, 2022 and 2021. The decrease for 2023 as compared to 2022 was solely the result of the change in estimated useful life of the satellites. Lease income is recorded as hosted payload and other data service revenue within service revenue on the Company’s consolidated statements of operations and comprehensive income (loss).
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The following table presents future income, after giving effect to the extension of estimated useful lives of the satellites, with respect to the Company’s operating leases in which it was the lessor at December 31, 2023, by year and in the aggregate:
Year Ending December 31,Amount
(In thousands)
2024
$12,391 
2025
12,391 
2026
12,391 
2027
12,391 
2028
12,391 
   Thereafter82,106 
Total lease income$144,061 

7. Debt

Term Loan and Revolving Facility

In September 2023, pursuant to an amended and restated credit agreement (the “Credit Agreement”), the Company refinanced its previously existing term loan resulting in total borrowing of $1,500.0 million (as so amended and restated, the “Term Loan”) in aggregate principal amount with various lenders administered by Deutsche Bank AG and an accompanying $100.0 million revolving loan (the “Revolving Facility”). The Term Loan was issued at a price equal to 99.75% of its face value and bears interest at an annual rate equal to the Secured Overnight Financing Rate (“SOFR”) plus 2.50%, with a 0.75% SOFR floor. The maturity of the Term Loan is in September 2030. The Company typically selects a one-month interest period, with the result that interest is calculated using one-month SOFR. Interest is paid monthly on the last business day of the month. Principal payments, payable quarterly beginning with the quarter ending March 31, 2024, equal $15.0 million per annum (one percent of the full principal amount of the Term Loan), with the remaining principal due upon maturity.
The Revolving Facility bears interest at the same rate (but without a SOFR floor) if and as drawn, with no original issue discount, a commitment fee of 0.5% per year on the undrawn amount, which will be reduced to 0.375% if the Company has a consolidated first lien net leverage ratio (as defined in the Credit Agreement) of less than 3.5 to 1, and a maturity date in September 2028.
The Company paid $3.8 million of issuance costs to refinance the Term Loan in September 2023, which were deferred and will be amortized through the term of the loan. Lenders making up approximately $16.8 million of the Term Loan did not participate in the refinancing. Those portions of the Term Loan were replaced by new or existing lenders. This resulted in an immaterial loss on extinguishment of debt, as the Company wrote off the unamortized debt issuance costs related to the lenders who were fully repaid in an exchange of principal. The Company deferred an additional $1.2 million of third-party fees associated with the refinancing of the Term Loan and the Revolving Facility.
In the fourth quarter of 2022, the Company elected to prepay $100.0 million of principal on the Term Loan. This resulted in a $1.2 million loss on extinguishment of debt, as the Company wrote off the unamortized debt issuance costs related to this prepayment.
In the third quarter of 2021, the Company repriced the Term Loan and incurred a $0.9 million loss on extinguishment of debt, as the Company wrote off the unamortized debt issuance costs related to the lenders who were fully repaid in an exchange of principal.
As of December 31, 2023 and 2022, the Company reported an aggregate of $1,500.0 million and $1,504.6 million in borrowings under the Term Loan, respectively. These amounts do not include $17.5 million and $17.4 million of net unamortized deferred financing costs as of December 31, 2023 and 2022, respectively. The net principal balance in borrowings in the accompanying consolidated balance sheets as of December 31, 2023 and 2022 amounted to $1,482.5 million and $1,487.2 million, respectively. As of December 31, 2023 and 2022, based upon over-the-counter bid levels (Level 2 - market approach), the fair value of the borrowings under the Term Loan was $1,506.6 million and $1,494.3 million, respectively. The Company had not borrowed under the Revolving Facility as of December 31, 2023 or 2022.
The Credit Agreement restricts the Company’s ability to incur liens, engage in mergers or asset sales, pay dividends, repay subordinated indebtedness, incur indebtedness, make investments and loans, and engage in other transactions as specified in the Credit Agreement. The Credit Agreement provides for specified exceptions, including baskets measured as a percentage of
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trailing twelve months of earnings before interest, taxes, depreciation and amortization (“EBITDA”) and unlimited exceptions in the case of incurring indebtedness and liens and making investments, dividend payments, and payments of subordinated indebtedness, based on achievement and maintenance of specified leverage ratios. The Credit Agreement also contains an annual mandatory prepayment sweep mechanism with respect to a portion of the Company’s excess cash flow (as defined in the Credit Agreement) in the event the Company’s net leverage ratio rises above 3.5 to 1. As of December 31, 2023, the Company was below the specified leverage ratio and therefore no mandatory prepayment sweep was not required. The Credit Agreement permits repayment, prepayment and repricing transactions, subject, in the case of the Term Loan, to a 1% penalty in the event the Term Loan is prepaid or repriced within the first six months from the refinancing date.

The Credit Agreement contains no financial maintenance covenants with respect to the Term Loan. With respect to the Revolving Facility, the Credit Agreement requires the Company to maintain a consolidated first lien net leverage ratio (as defined in the Credit Agreement) of no greater than 6.25 to 1 if more than 35% of the Revolving Facility has been drawn. The Credit Agreement contains other customary representations and warranties, affirmative and negative covenants, and events of default. The Company was in compliance with all covenants as of December 31, 2023.

Interest on Debt

Total interest incurred includes amortization of deferred financing fees and capitalized interest. The Company incurred third-party financing costs of $15.9 million in connection with the refinancing of the Term Loan in September 2023, of which $14.7 million was expensed. All third-party financing costs incurred during the years ended December 31, 2022 and 2021 were expensed. All amounts expensed are included within interest expense on the consolidated statements of operations and comprehensive income (loss).
The following table presents the interest and amortization of deferred financing fees related to the Term Loan:
Year Ended December 31,
202320222021
(In thousands)
Total interest incurred$102,321 $72,090 $72,816 
Amortization of deferred financing fees$3,958 $4,760 $4,316 
Capitalized interest$5,086 $2,590 $2,146 

As of December 31, 2023 and 2022, accrued interest under the Term Loan was $1.0 million and $0.3 million, respectively.

Total Debt
The following table presents future minimum principal repayments with respect to the Term Loan existing at December 31, 2023, by year and in the aggregate:

Year ending December 31,Amount
 (In thousands)
2024$15,000 
202515,000 
2026
15,000 
2027
15,000 
202815,000 
Thereafter
1,425,000 
Total debt commitments1,500,000 
Less: Original issuance discount17,510 
Less: Total short-term debt15,000 
Total long-term debt, net$1,467,490 

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The repayment schedule above excludes future amounts that may be required to be prepaid pursuant to the excess cash flow sweep provision of the Credit Agreement, as those amounts are not determinable in advance.

8. Derivative Financial Instruments

The Company is exposed to interest rate fluctuations related to its Term Loan. The Company has reduced its exposure to fluctuations in the cash flows associated with changes in the variable interest rate by entering into offsetting positions through the use of interest rate hedges. This will reduce the negative impact of increases in the variable rate over the term of the derivative contracts. These contracts are not used for trading or other speculative purposes. Historically, the Company has not incurred, and does not expect to incur in the future, any losses as a result of counterparty default.

Hedge effectiveness of the current interest rate cap agreement (the “Cap”) is based on a long-haul hypothetical derivative methodology and includes all changes in value. The Company formally assesses, both at the hedge’s inception and on an ongoing quarterly basis, whether the designated derivative instruments are highly effective in offsetting changes in the cash flows of the hedged items. When the hedging instrument is sold, expires, is terminated, is exercised, no longer qualifies for hedge accounting, is designated, or is no longer probable, hedge accounting is discontinued prospectively.

Interest Rate Cap

In July 2021, the Company entered into the Cap, which had an effective date of December 2021 upon the expiration of the Company’s long-term interest rate swap (the “Swap”). The Cap manages the Company’s exposure to interest rate movements on a portion of the Term Loan through November 2026. In December 2022, the Company modified the Cap to replace the previous LIBOR base rate with SOFR and received a credit risk adjustment of 0.064%. The modified Cap provides the Company the right to receive payment from the counterparty if one-month SOFR exceeds 1.436%. Prior to the modification, the Company received payment under the terms of the Cap if one-month LIBOR exceeded 1.5%. The Company pays a fixed monthly premium based on an annual rate of 0.31% for the Cap. The Cap carried a notional amount of $1.0 billion as of December 31, 2023 and 2022.

The Cap, which was not affected by the refinancing of the Term Loan in September 2023, is designed to mirror the terms of the Term Loan and to offset the cash flows being hedged. The Company designated the Cap as a cash flow hedge of the variability of the SOFR-based rate interest payments on the Term Loan. The effective portion of the Cap’s change in fair value will be recorded in accumulated other comprehensive income (loss). Any ineffective portion of the Cap’s change in fair value will be recorded in current earnings as interest expense.

Interest Rate Swaps

In November 2019, the Company entered into the Swap which had a term through November 2021 and was intended to mitigate variability in forecasted interest payments on a portion of the Term Loan. On the last business day of each month, the Company received variable interest payments based on one-month LIBOR from the counterparty. The Company paid a fixed rate of 1.565% per annum on the notional amount of $1.0 billion on the Swap until its expiration in November 2021. The Company also entered into an interest rate swaption agreement (“Swaption”), for which the Company paid a fixed annual rate of 0.50% of the notional amount. At inception, the Swap and Swaption (collectively, the “swap contracts”) were designated as cash flow hedges for hedge accounting. The unrealized changes in market value were recorded in accumulated other comprehensive income (loss) and any remaining balance was reclassified into earnings during the period in which the hedged transaction affected earnings. Due to the changes made to the Term Loan as a result of the July 2021 repricing, at that time the Company elected to de-designate the Swap as a cash flow hedge. Accordingly, as the related interest payments were still probable, the accumulated balance within other comprehensive income (loss) as of the de-designation date was amortized into earnings through the November 2021 expiration date.

Fair Value of Derivative Instruments

As of December 31, 2023 and 2022, the Company had an asset balance of $66.5 million and $92.3 million, respectively, for the fair value of the Cap, and a liability balance of $8.4 million and $11.0 million, respectively, for the fair value of the Cap premium. Both the Cap and the Cap premium are recorded within other assets on the consolidated balance sheet.

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During the years ended December 31, 2023, 2022, and 2021 the Company collectively incurred $3.3 million, $3.3 million, and $8.5 million, respectively, in net interest expense for the Cap and Swap contracts. Interest expense was reduced by $36.2 million and $7.2 million for the years ended December 31, 2023 and 2022, respectively, for payments received related to the Cap. There were no such interest payments received for the year ended December 31, 2021. Gains and losses resulting from fair value adjustments to the Cap are recorded within accumulated other comprehensive income within the Company’s consolidated balance sheet and reclassified to interest expense on the dates that interest payments become due. Cash flows related to the derivative contracts are included in cash flows from operating activities on the consolidated statements of cash flows. Over the next 12 months, the Company expects any gains or losses for cash flow hedges amortized from accumulated other comprehensive income (loss) into earnings to have an immaterial impact on the Company’s consolidated financial statements.

The following table presents the amount of unrealized gain or loss and related tax impact associated with the derivative instruments that the Company recorded in its consolidated statements of operations and comprehensive income (loss):

Year Ended December 31,
202320222021
(In thousands)
Unrealized gain (loss), net of tax
$(17,598)$58,668 $10,408 
Tax benefit (expense)
$5,379 $(17,834)$(3,316)

9. Stock-Based Compensation

In May 2023, the Company’s stockholders approved the amendment and restatement of the Company’s 2015 Equity Incentive Plan (as so amended and restated, the “Amended 2015 Plan”). As of December 31, 2023, the remaining aggregate number of shares of the Company’s common stock available for future grants under the Amended 2015 Plan was 12,917,165. The Amended 2015 Plan provides for the grant of stock-based awards, including nonqualified stock options, incentive stock options, restricted stock, restricted stock units (“RSUs”), stock appreciation rights and other equity securities to employees, consultants and non-employee directors of the Company and its affiliated entities. The number of shares of common stock available for issuance under the Amended 2015 Plan is reduced by (i) one share for each share of common stock issued pursuant to an appreciation award, such as a stock option or stock appreciation right with an exercise or strike price of at least 100% of the fair market value of the underlying common stock on the date of grant, and (ii) 1.8 shares for each share of common stock issued pursuant to any stock award that is not an appreciation award, also referred to as a “full value award.” The Amended 2015 Plan allows the Company to utilize a broad array of equity incentives and performance cash incentives in order to secure and retain the services of its employees, directors and consultants, and to provide long-term incentives that align the interests of its employees, directors and consultants with the interests of the Company’s stockholders. The Company accounts for stock-based compensation at estimated fair value.
Restricted Stock Units
Each RSU represents the right to receive one share of common stock at a future date. Historically, RSUs granted to employees for service generally vested over four years, with 25% vesting on the first anniversary of the grant date and the remainder vesting ratably on a quarterly basis thereafter, subject to continued employment. Beginning with grants made in 2024, RSUs granted to employees for service will generally vest over three years, with 34% vesting on the first anniversary of the grant date and the remainder vesting ratably on a quarterly basis thereafter, subject to continued employment. Some RSUs granted to employees for performance vest upon the completion of defined performance goals, subject to continued employment. The RSUs granted to non-employee directors generally vest in full on the first anniversary of the grant date. The RSUs granted to non-employee consultants generally vest 50% on the first anniversary of the grant date, with the remaining 50% vesting quarterly thereafter through the second anniversary of the grant date. The Company’s RSUs are classified as equity awards because the RSUs will be settled in the Company’s common stock upon vesting. The fair value of RSUs is determined at the grant date based on the closing price of the Company’s common stock on the date of grant. The related compensation expense is recognized over the service period, or shorter periods based on the retirement eligibility of certain grantees, and is based on the grant date fair value of the Company’s common stock and the number of shares expected to vest. The fair value of the awards is not remeasured at the end of each reporting period. RSUs do not carry voting rights until the RSUs are vested, but certain unvested RSUs are entitled to accrue dividends, and shares are issued upon settlement in accordance with the terms of the award.
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RSU Summary
The following table summarizes the Company’s RSU activity:
RSUsWeighted-
Average
Grant Date
Fair Value
Per RSU
 (In thousands) 
Outstanding at December 31, 2020
2,664 $18.96 
Granted913 $41.55 
Forfeited(115)$29.49 
Released(912)$21.12 
Outstanding at December 31, 2021
2,550 $25.80 
Granted1,562 $40.21 
Forfeited(152)$32.80 
Released(990)$30.05 
Outstanding at December 31, 2022
2,970 $31.60 
Granted1,184 $57.85 
Forfeited(76)$46.02 
Released(1,283)$36.02 
Outstanding at December 31, 20232,795 $40.24 
Vested and unreleased at December 31, 2023 (1)
713  
 
(1)     These RSUs were granted to the Company’s board of directors as a part of their compensation for board and committee service and had vested but had not yet settled, meaning that the underlying shares of common stock had not been issued and released.

As of December 31, 2023, the total unrecognized cost related to non-vested RSUs was approximately $42.6 million. This cost is expected to be recognized over a weighted-average period of 1.4 years. The Company recognized $57.5 million, $43.2 million and $26.0 million of stock-based compensation expense related to RSUs in the years ended December 31, 2023, 2022 and 2021, respectively.
Service-Based RSU Awards
The majority of the annual compensation the Company provides to non-employee members of its board of directors is paid in the form of RSUs. In addition, some members of the Company’s board of directors elect to receive their cash retainers, or a portion thereof, in the form of RSUs. An aggregate amount of approximately 55,000, 57,000 and 39,000 service-based RSUs were granted to the Company’s non-employee directors as a result of these payments and elections during the years ended December 31, 2023, 2022 and 2021, respectively, with an estimated grant date fair value of $2.9 million, $2.2 million and $1.6 million, respectively.
During the years ended December 31, 2023, 2022 and 2021, the Company granted approximately 746,000, 1,082,000 and 531,000 service-based RSUs, respectively, to its employees, with an estimated aggregate grant date fair value of $43.0 million, $44.2 million and $22.0 million, respectively.
During the years ended December 31, 2023, 2022 and 2021, the Company granted approximately 1,000, 7,000 and 2,000 service-based RSUs, respectively, to non-employee consultants, with an estimated grant date fair value of $0.1 million, $0.3 million and $0.1 million, respectively.
Performance-Based RSU Awards
In March 2023, 2022 and 2021, the Company awarded approximately 193,000, 248,000 and 228,000 performance-based RSUs, respectively, to the Company’s executives and employees (the “Bonus RSUs”), with an estimated grant date fair value of $11.9 million, $9.7 million and $9.5 million, respectively. Vesting of the Bonus RSUs is and was dependent upon the Company’s achievement of defined performance goals for the respective fiscal year in which the Bonus RSUs were granted. The Company
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records stock-based compensation expense related to performance-based RSUs when it is considered probable that the performance conditions will be met. Management believes it is probable that substantially all of the 2023 Bonus RSUs will vest. The level of achievement, if any, of performance goals will be determined by the compensation committee of the Company’s board of directors and, if such goals are achieved, the 2023 Bonus RSUs will vest, subject to continued employment, in March 2024. Substantially all of the Bonus RSUs awarded in 2022 and 2021 vested in March 2023 and March 2022, respectively, upon the determination of the level of achievement of the respective performance goals.
Additionally, during 2023, 2022 and 2021, the Company awarded approximately 134,000, 167,000 and 110,000 performance-based RSUs, respectively, to the Company’s executives (the “Executive RSUs”). The estimated aggregate grant date fair value of the Executive RSUs for the 2023, 2022 and 2021 grants was $8.2 million, $6.5 million and $4.6 million, respectively. Vesting of the Executive RSUs is and was dependent upon the Company’s achievement of defined performance goals over a two-year period (the year of grant and the following year). The vesting of Executive RSUs will ultimately range from 0% to 150% of the number of shares underlying the Executive RSUs granted based on the level of achievement of the performance goals.
If the Company achieves the performance goals for the Executive RSUs at the end of the two-year performance period, 50% of the number of Executive RSUs earned based on performance will then vest on the second anniversary of the grant date, and the remaining 50% will then vest on the third anniversary of the grant date, in each case subject to the executive’s continued service as of the vesting date. In March 2023, the Company awarded approximately 55,000 additional shares related to performance-based RSUs granted to the Company’s executives for over-achievement of performance targets for the Executive RSUs with a performance period that ended December 31, 2022. In March 2022, the Company cancelled approximately 50,000 shares related to performance-based RSUs granted to the Company’s executives in 2020 for under-achievement of performance targets for the performance period that ended December 31, 2021. In March 2021, the Company awarded approximately 3,000 additional shares related to performance-based RSUs granted to the Company’s executives in 2019 for over-achievement of performance targets for the performance period that ended December 31, 2020.
Stock Option Awards
The Company last granted stock options in 2019. The stock option awards granted to employees generally (i) have a term of ten years, (ii) vest over four years with 25% vesting after the first year of service and the remainder vesting ratably on a quarterly basis thereafter, (iii) are contingent upon employment on the vesting date, and (iv) have an exercise price equal to the fair market value of the underlying shares at the date of grant. The fair value of stock options was determined at the grant date using the Black-Scholes-Merton option pricing model.

The following table summarizes the Company’s stock option award activity:
SharesWeighted-
Average
Exercise Price
Per Share
Weighted-
Average
Remaining
Contractual
Term (Years)
Aggregate
Intrinsic
Value
 (In thousands, except years and per share data)
Options outstanding at December 31, 2020
2,554 $9.10 3.94$77,182 
Cancelled or expired(3)10.67 
Exercised(857)8.51 $31,544 
Forfeited(13)16.07 
Options outstanding at December 31, 2021
1,681 $9.35 3.28$53,698 
Cancelled or expired(1)8.28 
Exercised(494)7.83 $18,992 
Forfeited(1)18.35 
Options outstanding at December 31, 2022
1,185 $9.97 2.64$49,094 
Cancelled or expired(4)10.25 
Exercised(505)7.84 $26,928 
Options outstanding and exercisable at December 31, 2023
676 $11.55 2.39$20,036 

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The total fair value of the shares underlying stock options that vested during the years ended December 31, 2022 and 2021 was $0.6 million and $2.3 million, respectively. The total fair value of the shares underlying stock options that vested during the year ended December 31, 2023 was immaterial.
10. Equity Transactions

Preferred Stock

The Company is authorized to issue 2.0 million shares of preferred stock with a par value of $0.0001 per share. The Company previously issued 1.5 million shares of preferred stock. The remaining 0.5 million authorized shares of preferred stock remain undesignated and unissued as of December 31, 2023 and 2022. As of December 31, 2023 and 2022, there were no outstanding shares of preferred stock, as all previously designated and issued preferred stock was converted into common stock in prior periods.

Dividends

Stockholders are entitled to receive, when and if declared by the Company’s Board of Directors from time to time, such dividends and other distributions in cash, stock or property from the Company’s assets or funds legally and contractually available for such purposes. In each of December 2022, May 2023, September 2023 and December 2023, the Company’s Board of Directors approved a dividend of $0.13 per share of common stock. The dividends, which were paid on March 30, June 30, September 29 and December 29, 2023 to stockholders of record as of March 15, June 15, September 15 and December 15, 2023, respectively, resulted in total payments of $64.8 million during 2023. The Company’s liability related to dividends on common stock was $1.3 million and $16.6 million as of December 31, 2023 and 2022, respectively.

Share Repurchase Program

Since February 2021, the Company’s Board of Directors has authorized the repurchase of up to $1,000.0 million of the Company’s common stock through December 31, 2025. This time frame can be extended or shortened by the Board of Directors. Repurchases may be made from time to time on the open market at prevailing prices or in negotiated transactions off the market. The Company records share repurchases at cost, which includes broker commissions and related excise taxes. All shares are immediately retired upon repurchase in accordance with the board-approved policy. When treasury shares are retired, the Company’s policy is to allocate the excess of the repurchase price over the par value of shares acquired first, to additional paid-in capital, and then to retained earnings/accumulated deficit. The portion to be allocated to additional paid-in capital is calculated by applying a percentage, determined by dividing the number of shares to be retired by the number of shares outstanding, to the balance of additional paid-in capital as of the date of retirement.
The Company repurchased and subsequently retired 4.8 million, 6.8 million and 4.3 million shares of its common stock during the years ended December 31, 2023, 2022 and 2021, respectively, for a total purchase price of $244.6 million, $257.0 million and $163.4 million, respectively, exclusive of $1.4 million of excise taxes incurred in the year ended December 31, 2023, with no such taxes incurred in the years ended December 31, 2022 and 2021, respectively. In addition, in December 2023, the Company purchased 26,000 shares for $1.0 million, which were settled and retired in January 2024. As such, these shares are recorded as treasury stock as of December 31, 2023. As of December 31, 2023, $334.0 million remained available and authorized for repurchase under this program.
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11. Revenue

The following table summarizes the Company’s services revenue:
 Year Ended December 31,
 202320222021
 (In thousands)
Commercial services:
Voice and data$219,242 $193,112 $175,584 
IoT data141,036 125,015 110,919 
Broadband57,878 51,143 42,990 
Hosted payload and other data60,298 59,451 58,611 
Total commercial services478,454 428,721 388,104 
Government services106,000 106,000 103,887 
Total services$584,454 $534,721 $491,991 


The following table summarizes the Company’s engineering and support services revenue:
 Year Ended December 31,
 202320222021
 (In thousands)
Commercial$11,050 $7,833 $4,613 
Government90,083 43,766 25,825 
Total$101,133 $51,599 $30,438 

The Company’s contracts with customers generally do not contain performance obligations with terms in excess of one year. As such, the Company does not disclose details related to the value of performance obligations that are unsatisfied as of the end of the reporting period. The total value of any performance obligations that extend beyond a year is immaterial to the financial statements. The timing of revenue recognition, billings and cash collections results in billed accounts receivable, unbilled receivables (contract assets), and deferred revenue (contract liabilities) on the consolidated balance sheets. The Company bills amounts under its agreed-upon contractual terms at periodic intervals (for services), upon shipment (for equipment), or upon achievement of contractual milestones or as work progresses (for engineering and support services). Billing may occur subsequent to revenue recognition, resulting in unbilled accounts receivable (contract assets). The Company may also receive payments from customers before revenue is recognized, resulting in deferred revenue (contract liabilities). The Company recognized revenue that was previously recorded as deferred revenue in the amounts of $31.4 million, $26.3 million and $43.0 million for the years ended December 31, 2023, 2022 and 2021, respectively. The Company has also recorded costs of obtaining contracts expected to be recovered in prepaid expenses and other current assets (contract assets or commissions), that are not separately disclosed on the consolidated balance sheets. The commissions are recognized over the estimated usage period. The following table presents contract assets not separately disclosed:
Year Ended December 31,
20232022
(In thousands)
Contract Assets:
Commissions$1,114 $1,258 
Other contract costs$1,970 $2,255 

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12. Income Taxes

The following table presents U.S. and foreign components of income (loss) before income taxes:
 Year Ended December 31,
 202320222021
  (In thousands) 
U.S. income (loss)$(10,596)$10,179 $(31,352)
Foreign income5,849 331 2,464 
Total income (loss) before income taxes$(4,747)$10,510 $(28,888)
 
The following table summarizes the components of the Company’s income tax provision:
 Year Ended December 31,
 202320222021
  (In thousands) 
Current taxes:
Federal tax benefit$ $ $(537)
State tax expense 1,032 272 42 
Foreign tax expense4,545 1,209 2,240 
Total current tax (benefit) expense5,577 1,481 1,745 
Deferred taxes:
Federal tax benefit(31,311)(3,354)(14,109)
State tax expense (benefit)(226)1,794 (6,686)
Foreign tax expense (benefit)(291)371 (519)
Total deferred tax benefit(31,828)(1,189)(21,314)
Total income tax expense (benefit)$(26,251)$292 $(19,569)

The following table presents a reconciliation of the U.S. federal statutory income tax expense to the Company’s effective income tax provision. Any amounts that do not have a meaningful impact on this reconciliation are not separately disclosed.

 Year Ended December 31,
 202320222021
  (In thousands) 
Expected tax expense (benefit) at U.S. federal statutory tax rate
$(997)$1,893 $(6,067)
State taxes, net of federal benefit927 1,260 (9,094)
State tax valuation allowance(338)748 711 
Deferred impact of state tax law changes and elections  1,200 
Equity-based compensation(10,234)(6,184)(9,597)
Limitation on executive compensation deduction4,011 2,905 3,140 
Other nondeductible items114 33 65 
Tax credits(21,817)(949)(1,278)
Foreign taxes3,570 386 1,100 
Other adjustments(1,487)200 251 
Total income tax expense (benefit)$(26,251)$292 $(19,569)
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The following table presents the components of deferred tax assets and liabilities:
 December 31,
 20232022
 (In thousands)
Deferred tax assets
Long-term contracts$51,226 $52,553 
Federal, state and foreign net operating losses, other carryforwards and tax credits
351,094 374,767 
Other26,676 24,553 
Total deferred tax assets428,996 451,873 
Valuation allowance(33,420)(34,643)
Net deferred tax assets395,576 417,230 
Deferred tax liabilities
Fixed assets, intangibles and research and development expenditures(425,980)(490,384)
Investment in joint venture(63,108)(48,754)
Other(19,336)(27,976)
Total deferred tax liabilities(508,424)(567,114)
Net deferred income tax liabilities$(112,848)$(149,884)

Pursuant to ASC 740, the Company nets deferred tax assets and liabilities within the same jurisdiction. As of December 31, 2023, the Company had a net deferred tax asset of $1.8 million that is included in other assets on the balance sheet and a net deferred tax liability of $114.6 million.

The Company recognizes valuation allowances to reduce deferred tax assets to the amount that is more likely than not to be realized. In assessing the likelihood of realization, management considers: (i) future reversals of existing taxable temporary differences; (ii) future taxable income exclusive of reversing temporary differences and carryforwards; (iii) taxable income in prior carryback year(s) if carryback is permitted under applicable tax law; and (iv) tax planning strategies.

The Company had deferred tax assets related to cumulative U.S. federal net operating loss carryforwards and interest expense carryforwards of approximately $257.4 million and $296.4 million as of December 31, 2023 and 2022, respectively. The 2017 U.S. federal net operating loss carryforward, if not utilized, will expire in 2037. The Company believes that the 2017 U.S. federal net operating losses will be utilized before the expiration date and, as such, no valuation allowance has been established for this deferred tax asset. U.S. federal net operating loss carryforwards for 2018 and thereafter and interest expense carryforwards do not expire. The Company had deferred tax assets related to the state net operating loss carryforwards of approximately $59.2 million and $60.0 million as of December 31, 2023 and 2022, respectively, some of which expire as early as 2025. The Company does not expect to fully utilize all of its state net operating losses within the respective carryforward periods and as such reflects a partial valuation allowance of $33.0 million and $33.3 million as of December 31, 2023 and 2022, respectively, against these deferred tax assets on its consolidated balance sheets. The Company had deferred tax assets related to the foreign net operating loss carryforwards of approximately $0.5 million and $0.7 million, as of December 31, 2023 and 2022, respectively, that do not expire. The Company does not expect to fully utilize all of its foreign net operating losses within the carryforward periods. As such, the Company had recorded a partial valuation allowance of $0.2 million and $0.4 million as of December 31, 2023 and 2022, respectively, against these deferred tax assets on its consolidated balance sheets. The timing and manner in which the Company will utilize the net operating loss carryforwards in any year, or in total, may be limited in the future as a result of changes in the Company’s ownership and any limitations imposed by the jurisdictions in which the Company operates.

The Company had approximately $32.3 million and $12.1 million of deferred tax assets related to research and development tax credits as of December 31, 2023 and 2022, respectively, that expire in various amounts from 2029 through 2043. As of December 31, 2023, the Company established a reserve of approximately $2.4 million on its estimate of R&D credits. The Company had approximately $8.7 million and $5.2 million of deferred tax assets related to foreign tax credits as of December 31, 2023 and 2022, respectively, that expire in various amounts through 2033. Previously, the Company did not expect to utilize all of its foreign tax credits, resulting in the Company recording a partial valuation allowance of $0.5 million as of December 31, 2022. There is no valuation allowance on foreign tax credits as of December 31, 2023.

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The Company has provided for U.S. income taxes on all undistributed earnings of its significant foreign subsidiaries since the
Company does not indefinitely reinvest these undistributed earnings. The Company measures deferred tax assets and liabilities
using tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be
recovered or settled. The Company recognizes the effect on deferred tax assets and liabilities of a change in tax rates in income
in the period that includes the enactment date.

Uncertain Income Tax Positions

The Company is subject to income taxes in the U.S. and various state and foreign jurisdictions. Significant judgment is required
in evaluating tax positions and determining the provision for income taxes. The Company establishes liabilities for tax-related
uncertainties based on estimates of whether, and the extent to which, additional taxes may be due. These liabilities are
established when the Company believes that certain positions might be challenged despite its belief that its tax return positions
are fully supportable. The Company adjusts these liabilities in light of changing facts and circumstances, such as the outcome of
a tax audit. The provision for income taxes includes the impact of changes to these liabilities.

The Company had unrecognized tax benefits of approximately $2.4 million as of December 31, 2023 primarily due to additional U.S. tax credits from prior periods. There were no unrecognized tax benefits as of December 31, 2022. Any changes in the next twelve months are not anticipated to have a significant impact on the results of operations, financial position or cash flows of the Company. The Company has elected an accounting policy to classify interest and penalties related to unrecognized tax benefits as a component of income tax expense. As of December 31, 2023 and 2022, there were no interest and penalties on unrecognized tax benefits. The following is a tabular reconciliation of the total amounts of unrecognized tax benefits which includes related interest and penalties:

 Year Ended December 31,
 20232022
 (In thousands)
Balance at January 1,$ $ 
Change attributable to tax positions taken in a prior period2,162  
Change attributable to tax positions taken in the current period236  
Balance at December 31,$2,398 $ 

The Company is subject to tax audits in all jurisdictions for which it files tax returns. Tax audits by their very nature are often complex and can require several years to complete. Currently, there are no U.S. federal, state or foreign jurisdiction tax audits pending. The Company’s corporate U.S. federal and state tax returns from 2011 to 2022 remain subject to examination by tax authorities and the Company’s foreign tax returns from 2017 to 2022 remain subject to examination by tax authorities.


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13. Net Income (Loss) Per Share

The Company calculates basic net income (loss) per common share by dividing net income (loss) attributable to common stockholders by the weighted-average number of shares of common stock outstanding during the period. In periods of net income, diluted net income per share takes into account the effect of potentially dilutive common shares when the effect is dilutive. Potentially dilutive common shares include (i) shares of common stock issuable upon exercise of outstanding stock options and (ii) shares underlying RSUs that are contingently issuable upon achievement of certain service and performance requirements. The effect of potentially dilutive common shares is computed using the treasury stock method.

The following table summarizes the computations of basic and diluted net loss per common share:

 Year Ended December 31,
 202320222021
 (In thousands, except per share data)
Numerator:
Net income (loss) attributable to common stockholders - basic and diluted$15,415 $8,722 $(9,319)
Denominator:
Weighted average common shares - basic125,598 128,255 133,530 
Weighted average common shares - diluted127,215 130,134 133,530 
Net income (loss) attributable to common stockholders per share - basic and diluted
$0.12 $0.07 $(0.07)

For the year ended December 31, 2022, 0.2 million unvested service-based RSUs were excluded from the computation of basic net income per share and not included in the computation of diluted net income per share, as the effect would be anti-dilutive, and 0.2 million unvested performance-based RSUs were not included in the computation of basic and diluted net income per share, as certain performance criteria have not been satisfied. There were no such shares for the year ended December 31, 2023.
Due to the Company’s net loss position for the year ended December 31, 2021 all potential common stock equivalents were anti-dilutive and therefore excluded from the calculation of diluted net loss per share.
The following table presents the incremental number of shares underlying stock options and RSUs outstanding with anti-dilutive effects:
Year Ended December 31,
202320222021
(In thousands)
Performance-based RSUs 210 183 
Service-based RSUs  536 
Stock options  1,189 


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14. Related Party Transactions

Aireon LLC and Aireon Holdings LLC

The Company’s satellite constellation hosts the Aireon® system. The Aireon system was developed by Aireon LLC, which the Company formed in 2011 and which received subsequent investments from several air navigation service providers (“ANSPs”) to provide a global air traffic surveillance service through a series of automatic dependent surveillance-broadcast (“ADS-B”) receivers on the Company’s satellites. Aireon has contracted to offer this service to ANSPs, which use the service to provide improved air traffic control services over the oceans, as well as polar and remote regions. Aireon also markets its data and services to airlines and other commercial users. The Company and the other Aireon investors hold their interests in Aireon Holdings LLC (“Aireon Holdings”) through an amended and restated LLC agreement (the “Aireon Holdings LLC Agreement”). Aireon Holdings holds 100% of the membership interests in Aireon, which is the operating entity.

In June 2022, the Company entered into a subscription agreement with Aireon Holdings and invested $50.0 million in exchange for an approximate 6% preferred membership interest. The Company’s investment in Aireon Holdings is accounted for as an equity method investment. The carrying value of the Company’s investment in Aireon Holdings was $44.6 million and $48.8 million as of December 31, 2023 and 2022, respectively. The investments by the Company prior to June 2022 had previously been written down to a carrying value of zero.

At each of December 31, 2023 and 2022, the Company’s fully diluted ownership stake in Aireon Holdings was approximately 39.5%, which is subject to partial future redemption under provisions contained in the Aireon Holdings LLC Agreement.

Under the agreements with Aireon, Aireon will pay the Company fees of $200.0 million to host the ADS-B receivers, of which $94.5 million had been paid as of December 31, 2023. These fees are recognized over the estimated useful lives of the satellites, which is expected to result in revenue of approximately $9.3 million, following the change in estimate of the useful lives of the satellites that occurred in the fourth quarter of 2023. The Company recognized $14.4 million of hosting fee revenue under the Hosting Agreement for the year ended December 31, 2023 and $16.1 million of hosting fee revenue for the years ended December 31, 2022 and 2021. There were no receivables due under the Hosting Agreement as of December 31, 2023 and 2022.

Additionally, Aireon pays power and data services fees of approximately $23.5 million per year, in the aggregate for the delivery of the air traffic surveillance data over the Iridium system. The Company recorded $23.5 million of power and data service fee revenue from Aireon for each of the years ended December 31, 2023, 2022 and 2021.

During the year ended December 31, 2023, the Company recorded other income of $3.5 million related to a contractual settlement with Aireon. This is a one-time payment that is not expected to recur.

Under two services agreements, the Company also provides Aireon with administrative services and support services, the fees for which are paid monthly. Aireon receivables due to the Company under these two agreements totaled $2.2 million at each of December 31, 2023 and 2022.

The Company and the other Aireon investors have agreed to participate pro rata, based on their respective fully diluted ownership stakes, in funding an investor bridge loan to Aireon. The Company’s maximum commitment under the investor bridge loan is $11.9 million. No bridge loan amounts were outstanding as of December 31, 2023 or 2022.

Satelles

In the first quarter of 2023, the Company entered into a stock purchase agreement with Satelles, Inc. (“Satelles”) and invested $10.0 million, in addition to its previous equity investment in Satelles. The Company’s fully diluted ownership stake in Satelles was approximately 19.5% as of December 31, 2023, and the investment in Satelles is now accounted for as an equity method investment. The carrying value of the Company’s investment in Satelles was approximately $21.8 million as of December 31, 2023.

85


15. Segments, Significant Customers, Supplier and Service Providers and Geographic Information

The Company operates in one business segment, providing global satellite communications services and products.

The Company derived approximately 25%, 21% and 21% of its total revenue in the years ended December 31, 2023, 2022 and 2021, respectively, from prime contracts or subcontracts with agencies of the U.S. government. For the years ended December 31, 2023, 2022 and 2021, no single commercial customer accounted for more than 10% of the Company’s total revenue.

Approximately 46% and 25% of the Company’s accounts receivable balance at December 31, 2023 and 2022, respectively, was due from prime contracts or subcontracts with agencies of the U.S. government. As of December 31, 2023 and 2022, no single commercial customer accounted for more than 10% of the Company’s total accounts receivable balance.

The Company contracts for the manufacture of its subscriber equipment primarily from a limited number of manufacturers and utilizes other sole source suppliers for certain component parts of its devices. Should events or circumstances prevent the manufacturer or the suppliers from producing the equipment or component parts, the Company’s business could be adversely affected until the Company is able to move production to other facilities of the manufacturer or secure a replacement manufacturer or an alternative supplier for such component parts.
The following table summarizes net property and equipment by geographic area:
December 31,
 20232022
 (In thousands)
United States$412,002 $461,820 
Satellites in orbit1,782,000 1,968,999 
All others1,756 2,486 
Total$2,195,758 $2,433,305 

The following table summarizes revenue by geographic area:
Year Ended December 31,
 202320222021
  (In thousands) 
United States$431,476 $374,687 $330,948 
Other countries (1)
359,247 346,347 283,552 
Total$790,723 $721,034 $614,500 
 
(1)No single country in this group represented more than 10% of revenue.

Revenue is attributed to geographic area based on the billing address of the distributor. Service location and the billing address are often not the same. The Company’s distributors sell services directly or indirectly to end users, who may be located or use the Company’s products and services elsewhere. The Company does not know the geographical distribution of end users because it does not contract directly with them.

The Company is exposed to foreign currency exchange fluctuations from sales made and costs incurred in foreign currencies.

16. Employee Benefit Plan

The Company sponsors a defined-contribution 401(k) retirement plan (the “Plan”) that covers all employees. Employees are eligible to participate in the Plan on the first day of the month following the date of hire, and participants are 100% vested from the date of eligibility. The Company matches employees’ contributions equal to 100% of the salary deferral contributions up to 5% of the employees’ eligible compensation each pay period. The Company’s matching contributions to the Plan were $4.3 million, $3.5 million and $3.5 million for the years ended December 31, 2023, 2022 and 2021, respectively.

86


17. Subsequent Event

On February 2, 2024, the Company’s Board of Directors approved a dividend of $0.13 per share payable on March 29, 2024, to stockholders of record as of March 15, 2024.

87


Item 9. Changes in and Disagreements with Accountants on Accounting and Financial Disclosure

None.

Item 9A. Controls and Procedures

Evaluation of Disclosure Controls and Procedures

Under the supervision and with the participation of our management, including our chief executive officer, who is our principal executive officer, and our chief financial officer, who is our principal financial officer, we conducted an evaluation of our disclosure controls and procedures, as such term is defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934, as amended, or the Exchange Act, as of the end of the period covered by this report. In evaluating the disclosure controls and procedures, management recognized that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives. In addition, the design of disclosure controls and procedures must reflect the fact that there are resource constraints and that management is required to apply its judgment in evaluating the benefits of possible controls and procedures relative to their costs. In addition, the design of any system of controls also is based in part upon certain assumptions about the likelihood of future events, and there can be no assurance that any design will succeed in achieving its stated goals under all potential future conditions; over time, controls may become inadequate because of changes in conditions, or the degree of compliance with policies or procedures may deteriorate. Because of the inherent limitations in a control system, misstatements due to error or fraud may occur and not be detected.

Based on this evaluation, our chief executive officer and our chief financial officer concluded that our disclosure controls and procedures were effective to provide reasonable assurance that information required to be disclosed by us in reports we file or submit under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the U.S. Securities and Exchange Commission’s rules and forms, and is accumulated and communicated to our management, including our principal executive officer and principal financial officer, as appropriate to allow timely decisions regarding required disclosures.

Management’s Report on Internal Control Over Financial Reporting

Our management is responsible for establishing and maintaining adequate internal control over financial reporting. Internal control over financial reporting is defined in Rules 13a-15(f) and 15d-15(f) promulgated under the Exchange Act as a process designed by, or under the supervision of, our principal executive and principal financial officers and effected by our board of directors, management and other personnel, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with U.S. generally accepted accounting principles. Such internal control includes those policies and procedures that:

Pertain to the maintenance of records that in reasonable detail accurately and fairly reflect the transactions and dispositions of the assets of our company;

Provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of our company; and

Provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use or disposition of our company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

Our management assessed the effectiveness of our internal control over financial reporting as of December 31, 2023. In making this assessment, our management used the criteria set forth in Internal Control-Integrated Framework issued by the Committee of Sponsoring Organizations of the Treadway Commission (2013 Framework). Based on its assessment, our management has determined that, as of December 31, 2023, our internal control over financial reporting was effective based on those criteria.

88


Our independent registered public accounting firm, KPMG LLP, has audited our 2023 financial statements. KPMG LLP was given unrestricted access to all financial records and related data, including minutes of all meetings of stockholders, the Board of Directors and committees of the Board. KPMG LLP has issued an unqualified report on our 2023 financial statements as a result of the audit and also has issued an unqualified report on our internal controls over financial reporting which is attached hereto.

Changes in Internal Control Over Financial Reporting

During the quarter ended December 31, 2023, there were no changes in our internal control over financial reporting, as such term is defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act, that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.


89


Report of Independent Registered Public Accounting Firm
To the Stockholders and the Board of Directors
Iridium Communications Inc.:
Opinion on Internal Control Over Financial Reporting

We have audited Iridium Communications Inc. and subsidiaries’ (the Company) internal control over financial reporting as of December 31, 2023, based on criteria established in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission. In our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of December 31, 2023, based on criteria established in Internal Control – Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission.

We also have audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States) (PCAOB), the consolidated balance sheet of the Company as of December 31, 2023 and December 31, 2022, the related consolidated statements of operations and comprehensive income (loss), changes in stockholders’ equity, and cash flows for each of the years then ended, and the related notes (collectively, the consolidated financial statements), and our report dated February 15, 2024 expressed an unqualified opinion on those consolidated financial statements.
Basis for Opinion

The Company’s management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management’s Report on Internal Control Over Financial Reporting. Our responsibility is to express an opinion on the Company’s internal control over financial reporting based on our audit. We are a public accounting firm registered with the PCAOB and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audit in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit of internal control over financial reporting included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, and testing and evaluating the design and operating effectiveness of internal control based on the assessed risk. Our audit also included performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.
Definition and Limitations of Internal Control Over Financial Reporting

A company’s internal control over financial reporting is a process designed to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company’s internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company’s assets that could have a material effect on the financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

/s/ KPMG LLP

McLean, Virginia
February 15, 2024

90


Item 9B. Other Information

None.

Item 9C. Disclosure Regarding Foreign Jurisdictions that Prevent Inspections

Not applicable.
91


PART III

We will file a definitive Proxy Statement for our 2024 Annual Meeting of Stockholders (the “2024 Proxy Statement”) with the SEC, pursuant to Regulation 14A, not later than 120 days after the end of our fiscal year. Accordingly, certain information required by Part III has been omitted as permitted by General Instruction G (3) to Form 10-K. Only those sections of the 2024 Proxy Statement that specifically address the items set forth herein are incorporated by reference.

Item 10. Directors, Executive Officers and Corporate Governance

The information required by this Item is incorporated by reference to the sections of our 2024 Proxy Statement entitled “Board of Directors and Committees,” “Election of Directors,” “Management” and “Delinquent Section 16(a) Reports.”

Item 11. Executive Compensation

The information required by this Item is incorporated by reference to the sections of our 2024 Proxy Statement entitled “Compensation Discussion and Analysis,” “Executive Compensation” and “Director Compensation.”

Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters

The information required by this Item is incorporated by reference to the sections of our 2024 Proxy Statement entitled “Security Ownership of Certain Beneficial Owners and Management” and “Securities Authorized for Issuance under Equity Compensation Plans.”

Item 13. Certain Relationships and Related Transactions, and Director Independence

The information required by this Item is incorporated by reference to the sections of our 2024 Proxy Statement entitled “Transactions with Related Parties” and “Director Independence.”

Item 14. Principal Accountant Fees and Services

The information required by this Item is incorporated by reference to the section of our 2024 Proxy Statement entitled “Independent Registered Public Accounting Firm Fees.”

92


PART IV

Item 15. Exhibits, Financial Statement Schedules

(a) The following documents are filed as part of this Form 10-K:

(1) Financial Statements


(2) Financial Statement Schedules

The financial statement schedules are not included here because required information is included in the consolidated financial statements.

(3) Exhibits

The following list of exhibits includes exhibits submitted with this Form 10-K as filed with the Securities and Exchange Commission.
Exhibit No.Document
3.1
3.2
3.3
4.1
4.2
10.1#
10.2
10.3
10.4
93


Exhibit No.Document
10.5
10.6†
10.7
10.8†
10.9
10.10
10.11*
10.12*
10.13*
10.14*
10.15*
10.16*
10.17
10.18*
10.19*
10.20*
10.21*
10.22*
10.23*
10.24*
10.25*
94


Exhibit No.Document
10.26*
10.27*
10.28*
10.29*
10.30*
10.31*
10.32*
10.33*
10.34*
16.1
21.1
23.1
23.2
31.1
31.2
32.1**
97.1
101.INSXBRL Instance Document
101.SCHXBRL Taxonomy Extension Schema
101.CALXBRL Taxonomy Extension Calculation Linkbase
101.DEFXBRL Taxonomy Extension Definition Linkbase
101.LABXBRL Taxonomy Extension Label Linkbase
101.PREXBRL Taxonomy Extension Presentation Linkbase
104Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101).

95


#    Exhibits and schedules have been omitted pursuant to Item 601(a)(5) of Regulation S-K and will be furnished on a supplemental basis to the Securities and Exchange Commission upon request.
†     Certain confidential portions of this exhibit, marked by asterisks, were omitted because the identified confidential portions are (i) not material and (ii) the type that the registrant treats as private or confidential.
*     Denotes management contract or compensatory plan or arrangement.
**    These certifications are being furnished solely to accompany this Annual Report pursuant to 18 U.S.C. Section 1350, and are not being filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, and are not to be incorporated by reference into any filing of the registrant, whether made before or after the date hereof, regardless of any general incorporation language in such filing.

Item 16.     Form 10-K Summary

Not applicable.

96


SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
 IRIDIUM COMMUNICATIONS INC.
   
Date: February 15, 2024By:/s/ Thomas J. Fitzpatrick
  Thomas J. Fitzpatrick
  Chief Financial Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated: 
Name Title Date
     
/s/ Matthew J. Desch Chief Executive Officer and Director February 15, 2024
Matthew J. Desch (Principal Executive Officer)  
     
/s/ Thomas J. Fitzpatrick Chief Financial Officer, Chief Administrative Officer and Director February 15, 2024
Thomas J. Fitzpatrick (Principal Financial Officer)  
     
/s/ Timothy P. Kapalka Chief Accounting Officer, Iridium Satellite LLC February 15, 2024
Timothy P. Kapalka (Principal Accounting Officer)  
     
/s/ Robert H. Niehaus Director and Chairman of the Board February 15, 2024
Robert H. Niehaus    
     
/s/ Thomas C. Canfield Director February 15, 2024
Thomas C. Canfield    
     
/s/ L. Anthony FrazierDirectorFebruary 15, 2024
L. Anthony Frazier
/s/ Jane L. Harman Director February 15, 2024
Jane L. Harman    
     
/s/ Alvin B. Krongard Director February 15, 2024
Alvin B. Krongard    
/s/ Suzanne E. McBrideChief Operations Officer and DirectorFebruary 15, 2024
Suzanne E. McBride
     
/s/ Eric T. Olson Director February 15, 2024
Eric T. Olson    
     
/s/ Kay N. Sears Director February 15, 2024
Kay N. Sears    
     
/s/ Jacqueline E. Yeaney
 Director February 15, 2024
Jacqueline E. Yeaney
    

97

Exhibit 10.23
image_0a.jpg
December 14, 2023
TO: The Board of Directors of Iridium Communications Inc. (the “Board”)
RE: Compensation Program for Non-Employee Directors
Adoption of 2024 Compensation Program for Non-Employee Directors
The Board is being requested to adopt the 2024 compensation program for its non-employee members, which program will be effective as of January 1, 2024. The terms of the program are set forth in the Compensation Program for Non-Employee Directors (the “Program”) and are briefly summarized below.
Annual Board Retainer (Amount and Default Payment Mechanic): The Program provides that each non-employee director will receive an Annual Board Retainer in the amount of $250,000, which amount is payable: (i) $50,000 in cash (unless the director makes a timely election to receive all or a portion of this cash component of the Annual Board Retainer in the form of Restricted Stock Units (“RSUs”), or in any mix of cash and RSUs, subject to the limitations described below); and (ii) $200,000 in RSUs. Cash will be paid quarterly in arrears on or as soon as practicable after the last day of each calendar quarter in which service occurred.
Annual Chairman of the Board and Committee Chair Retainers (Amounts and Default Payment Mechanic): The Chairman of the Board will receive an additional annual retainer of $70,000 and the Chairs of the Audit, Compensation, and Nominating and Corporate Governance Committees will receive an additional annual retainer of $40,000, $15,000 and $10,000, respectively, all of which amounts are payable in cash quarterly in arrears on or as soon as practicable after the last day of each calendar quarter in which service occurred (unless the director makes a timely election to receive all or a portion of such retainer in the form of RSUs, or in any mix of cash and RSUs, subject to the limitations described below).
Annual Committee Member Retainers (Amounts and Default Payment Mechanic): The members of the Audit, Compensation, and Nominating and Corporate Governance Committees who are not serving as the chairperson of the committee will receive an additional annual retainer of $20,000, $7,500 and $5,000, respectively, all of which amounts are payable in cash quarterly in arrears on or as soon as practicable after the last day of each calendar quarter in which service occurred (unless the director makes a timely election to receive all or a portion of such retainer in the form of RSUs, or in any mix of cash and RSUs, subject to the limitations described below).
Annual Government Advisory Committee Retainer (Amounts and Payment Mechanic): Non-employee directors serving on the Government Advisory Committee during 2024 will receive an additional annual retainer of $15,000 in the form of RSUs, subject to vesting and the limitations described below regarding RSU grants. Non-employee directors serving on the
1.





Government Advisory Committee may not make an election to receive the Annual Government Advisory Committee Retainer in any other form.
Compensation Elections: Elections must be made annually. Please complete the “2024 Election Form”. This Election Form must be submitted by December 29, 2023, to be valid for 2024. Once the Election Form is submitted for a year, the elections made are irrevocable for that year.
Annual Board Retainer Elections: Non-employee directors may elect to receive all or a portion of $50,000 of the Annual Board Retainer in cash or RSUs (elections to receive cash or RSUs must be made in 5% increments). The remaining $200,000 of the Annual Board Retainer is paid in the form of RSUs and no election may be made with respect to such amount.
Annual Chairman of the Board, Committee Chair and Committee Member Retainers Elections: Non-employee directors may elect to receive all or a portion of the Annual Chairman of the Board Retainer, Annual Committee Chair Retainers and/or Annual Committee Member Retainers, if any, in cash or RSUs (elections to receive cash or RSUs must be made in 25% increments).
RSUs: All RSUs are governed by our Amended and Restated 2015 Equity Incentive Plan (the “Plan”) and the applicable Non-Employee Director Restricted Stock Unit Agreement and will be granted on the third business day in January.
Deferral Election: Non-employee directors may elect to either (a) defer delivery of the shares to be issued upon settlement of vested RSUs to a later date, as has been Iridium’s past practice, or (b) receive such shares at the time the RSUs vest. This “deferral election” must be made with respect to all or none of the RSUs granted pursuant to the Program (i.e., the election may not be made with respect to only a portion of the RSUs granted pursuant to the Program). Consistent with our past practice, any vested RSUs that are subject to a deferral election will be settled in Iridium stock on the earlier of (i) the date that is six months and one day after “separation from service” (as defined in Treasury Regulations Section 1.409A-1(h), without regard to alternate definitions thereunder) as a director (a “Separation from Service”) for any reason and (ii) a Change in Control, as defined in the Plan, that also constitutes a “change in control event” (as determined under Treasury Regulations Section 1.409A-3(i)(5)) (a “Change in Control”). RSUs are taxable at ordinary income rates when shares are issued, based on the fair market value (“FMV”) of the shares at the time of issuance.
Vesting: All RSUs granted as Annual Board Retainers, Annual Chairman of the Board Retainer, Annual Committee Chair Retainers, Annual Committee Member Retainers and Annual Government Advisory Committee Retainers will vest on the first anniversary of the date of grant, subject to the non-employee director’s continuous service as a director through such date.
Any RSUs granted pursuant to the Program that have not yet vested as of the date of termination as a director will be forfeited upon such termination; provided, however, that:
(i)unless such termination is for Cause (as defined in the RSU agreement) or is due to the director’s death or disability, the following number of RSUs will become vested upon such termination: 25% of the total number of RSUs subject to the award, multiplied by the total number of partial and full calendar quarters of
2.





service completed as a director during the calendar year in which such termination occurs; and
(ii)if such termination is due to the director’s death or disability, any unvested RSUs will become fully vested upon such termination.
3.





IRIDIUM COMMUNICATIONS INC.
COMPENSATION PROGRAM FOR NON-EMPLOYEE DIRECTORS
EFFECTIVE DATE: January 1, 2024
GENERAL: Each member of the board of directors (the “Board”) of Iridium Communications Inc. (the “Company”) who is not an Employee (as defined in the Iridium Communications Inc. Amended and Restated 2015 Equity Incentive Plan (the “Equity Incentive Plan”)) (each, a “Non-Employee Director”) will be eligible to receive cash and equity-based compensation as set forth in this Iridium Communications Inc. Compensation Program for Non-Employee Directors (this “Program”). Capitalized terms not explicitly defined in this Program but defined in the Equity Incentive Plan will have the same definitions as in the Equity Incentive Plan.
ANNUAL COMPENSATION:
Annual Board Retainer: $250,000 will be payable for each calendar year to each Non-Employee Director as follows:
$50,000 in the form of cash (the “Annual Cash Retainer”), unless the Non-Employee Director makes a timely election to receive all or a portion of the Annual Cash Retainer in the form of restricted stock units (“RSUs”) (subject to the limitations described below); and
$200,000 in the form of RSUs (the “Annual Stock Retainer”).
Annual Committee Chair Retainers: The following amounts will be payable for each calendar year to each chairperson of the following committees of the Board (each, a “Committee”) in the form of cash, unless the Non-Employee Director makes a timely election to receive all or a portion of the Annual Committee Chair Retainer in the form of RSUs (subject to the limitations described below):
Audit – $40,000;
Compensation – $15,000; and
Nominating and Corporate Governance – $10,000.
Annual Committee Member Retainers: The following amounts will be payable for each calendar year to each member of the following Committees who is not serving as the chairperson of the Committee in the form of cash, unless the Non-Employee Director makes a timely election to receive all or a portion of the Annual Committee Member Retainer in the form of RSUs (subject to the limitations described below):
Audit – $20,000;
Compensation – $7,500; and
1.





Nominating and Corporate Governance – $5,000.
Annual Chairman of the Board Retainer: $70,000 will be payable for each calendar year to the chairman of the Board in the form of cash, unless the Non-Employee Director makes a timely election to receive all or a portion of the Annual Chairman of the Board Retainer in the form of RSUs (subject to the limitations described below).
Annual Government Advisory Committee Retainer: $15,000 will be payable for each calendar year in the form of RSUs to each Non-Employee Director serving on the Company’s Government Advisory Committee during a calendar year (subject to the limitations described below). Non-Employee Directors serving on the Government Advisory Committee may not make an election to receive the Annual Government Advisory Committee Retainer in any other form.
Partial Year of Service: Notwithstanding the foregoing or anything in this Program to the contrary, if a Non-Employee Director’s service as a Non-Employee Director (for purposes of any Annual Cash Retainer or Annual Stock Retainer) or as a chairperson of a Committee (for purposes of any Annual Committee Chair Retainer) or as a member of a Committee (for purposes of any Annual Committee Member Retainer) or as a chairman of the Board (for purposes of any Annual Chairman of the Board Retainer) or as a member of the Government Advisory Committee (for purposes of the Annual Government Advisory Committee Retainer) commences or terminates after the beginning of a calendar year, then the Non-Employee Director will only be eligible to receive 25% of the full amount of the applicable retainer (each as set forth above), in the applicable form, for each partial or full calendar quarter of such service completed during such calendar year. Notwithstanding the foregoing, upon termination of service as a Director, any portion of any retainer paid in the form of RSUs will be forfeited to the extent not vested on the date of or as a result of such termination in accordance with the terms of this Program (including “Terms of Equity-Based Awards” below).
TIMING OF ELECTIONS; TIMING AND FORM OF PAYMENTS (OTHER THAN ANNUAL GOVERNMENT ADVISORY COMMITTEE RETAINER):
Current Non-Employee Directors:
Annual Cash Retainer, Annual Committee Chair Retainer, Annual Committee Member Retainer and Annual Chairman of the Board Retainer: If a Non-Employee Director’s service as a Non-Employee Director commences prior to the beginning of a calendar year, then the Non-Employee Director must make an election, prior to the beginning of such calendar year, with respect to (i) his or her Annual Cash Retainer for such calendar year and (ii) any Annual Committee Chair Retainer, Annual Committee Member Retainer or Annual Chairman of the Board Retainer that is or may become payable for such calendar year. Each Annual Cash Retainer, Annual Committee Chair Retainer, Annual Committee Member Retainer and Annual Chairman of the Board Retainer will be paid or granted as follows:
2.





Cash: The portion (if any) of each Annual Cash Retainer, Annual Committee Chair Retainer, Annual Committee Member Retainer and Annual Chairman of the Board Retainer that is to be paid in the form of cash will be determined based on such election. Such portion will be paid in the form of cash in arrears in equal installments over the applicable number of calendar quarters during such calendar year, with payment occurring on or as soon as practicable after the last day of the applicable calendar quarter and in all cases not later than March 15 of the calendar year following the calendar year in which it was earned.
Stock: The portion (if any) of each Annual Cash Retainer, Annual Committee Chair Retainer, Annual Committee Member Retainer and Annual Chairman of the Board Retainer that is to be granted in the form of RSUs will be determined based on such election. Such portion will be granted in the form of RSUs on the third business day in January of such calendar year. Any such award will vest in full on the first anniversary of the date of grant of the award, provided that the Non-Employee Director is in service as a Director on such vesting date.
Notwithstanding the foregoing, if the Non-Employee Director becomes a chairperson of a Committee, a member of a Committee or chairman of the Board after the third business day in January of such calendar year, then the portion (if any) of his or her Annual Committee Chair Retainer, Annual Committee Member Retainer or Annual Chairman of the Board Retainer, as applicable, that is to be granted in the form of RSUs will be granted on the third business day after the date that the Non-Employee Director becomes a chairperson of a Committee, a member of a Committee or chairman of the Board, as applicable. Any such award will vest in full on the first anniversary of the date of grant of the award, provided that the Non-Employee Director is in service as a Director on such vesting date.
Annual Stock Retainer: A Non-Employee Director may not make an election regarding the form of payment of his or her Annual Stock Retainer; the Annual Stock Retainer is paid in the form of RSUs. If a Non-Employee Director’s service as a Non-Employee Director commences prior to the beginning of a calendar year, then the RSUs will be granted on the third business day in January of the calendar year. The RSUs will vest in full on the first anniversary of the date of grant, provided that the Non-Employee Director is in service as a Director on such vesting date.
New Non-Employee Directors:
Annual Cash Retainer, Annual Committee Chair Retainer, Annual Committee Member Retainer and Annual Chairman of the Board Retainer: If a Non-Employee Director’s service as a Non-Employee Director commences on or after the beginning of a calendar year, then the Non-Employee Director must make an election, within 30 days following the commencement of such service, with respect to (i) his or her Annual Cash Retainer for such calendar year and (ii) any Annual Committee Chair Retainer, Annual Committee Member Retainer or Annual Chairman of the Board Retainer that is or may become payable for such calendar year; provided, however, that (a) such election will be applicable only to the portion
3.





of the applicable Annual Cash Retainer, Annual Committee Chair Retainer, Annual Committee Member Retainer or Annual Chairman of the Board Retainer payable for any calendar quarter during such calendar year that begins after the date of such election, and (b) no such election may be made if such service commences during the final calendar quarter of such calendar year. Each such Annual Cash Retainer, Annual Committee Chair Retainer, Annual Committee Member Retainer and Annual Chairman of the Board Retainer will be paid or granted as follows:
Cash: 25% of the full amount of an Annual Cash Retainer (and Annual Committee Chair Retainer, Annual Committee Member Retainer and Annual Chairman of the Board Retainer, if applicable), as set forth under “Annual Compensation” above, will be paid in the form of cash for (i) the calendar quarter in which the Non-Employee Director’s service as a Non-Employee Director, chairperson of a Committee, member of a Committee or chairman of the Board, as applicable, commences and, (ii) if later, for the calendar quarter in which such election is made, with payment occurring on or as soon as practicable after the last day of the applicable calendar quarter and in all cases not later than March 15 of the calendar year following the calendar year in which it was earned.
With respect to any calendar quarter during such calendar year that begins after the date of such election, the portion (if any) of the Annual Cash Retainer, Annual Committee Chair Retainer, Annual Committee Member Retainer or Annual Chairman of the Board Retainer that is to be paid in the form of cash will be determined based on such election. Such portion will be paid in the form of cash in arrears in equal installments over the applicable number of calendar quarters during such calendar year, with payment occurring on or as soon as practicable after the last day of the applicable calendar quarter and in all cases not later than March 15 of the calendar year following the calendar year in which it was earned.
Stock: With respect to any calendar quarter during such calendar year that begins after the date of such election, the portion (if any) of an Annual Cash Retainer, Annual Committee Chair Retainer, Annual Committee Member Retainer or Annual Chairman of the Board Retainer that is to be granted in the form of RSUs will be determined based on such election. Such portion will be granted in the form of RSUs on the first business day of the first calendar quarter that begins after the date of such election. Any such award will vest in full on the first anniversary of the date of grant of the award, provided that the Non-Employee Director is in service as a Director on such vesting date.
Notwithstanding the foregoing, if the Non-Employee Director becomes a chairperson of a Committee, a member of a Committee or chairman of the Board after the first business day of the first calendar quarter that begins after the date of such election, then the portion (if any) of his or her Annual Committee Chair Retainer, Annual Committee Member Retainer or Annual Chairman of the Board Retainer, as applicable, that is to be granted in the form of RSUs, will be granted on the third business day after the date that the Non-Employee Director becomes a chairperson of a Committee, a member of a Committee or chairman of the Board, as applicable. Any such award will vest in full on
4.





the first anniversary of the date of grant of the award, provided that the Non-Employee Director is in service as a Director on such vesting date.
Annual Stock Retainer: A Non-Employee Director may not make an election regarding the form of payment of his or her Annual Stock Retainer; the Annual Stock Retainer is paid in the form of RSUs. If a Non-Employee Director’s service as a Non-Employee Director commences on or after the beginning of a calendar year, a pro-rated portion of the Annual Stock Retainer for a partial year of service, as set forth under “Annual Compensation” above, will be granted in the form of RSUs on the first business day of the first calendar quarter that begins after the date such Non-Employee Director commences service; provided, however, that if such service commences during the final calendar quarter of such calendar year, such award will be granted on the last day of such calendar year. The Annual Stock Retainer will be pro-rated based on the number of calendar quarters during the year during which the Non-Employee Director will serve on the Board. Any such award will vest in full on the first anniversary of the date of grant of the award, provided that the Non-Employee Director is in service as a Director on such vesting date.
TERMS OF ELECTIONS:
Once an election is submitted for a calendar year, it will be irrevocable with respect to such calendar year.
A Non-Employee Director must submit a new election for each calendar year.
Elections must be allocated in multiples as follows:
Allocation of the Annual Cash Retainer must be made among cash and RSUs in multiples of 5%.
Allocation of the Annual Committee Chair Retainer, Annual Committee Member Retainer and/or Annual Chairman of the Board Retainer must be made among cash and RSUs in multiples of 25%.
The election to defer delivery of shares to be issued upon settlement of vested RSUs must be with respect to either 0% or 100% of such shares.
TIMING OF ANNUAL GOVERNMENT ADVISORY COMMITTEE RETAINER
Current Non-Employee Directors Serving on Government Advisory Committee: If a Non-Employee Director’s service on the Government Advisory Committee commences prior to the beginning of a calendar year, then the Non-Employee Director’s Annual Government Advisory Committee Retainer paid in the form of RSUs will be granted on the third business day in January of such calendar year and will vest on the first anniversary of the date of grant, provided that the Non-Employee Director is in service as a Director on such vesting date.
5.





Non-Employee Directors Commencing Service on Government Advisory Committee: If a Non-Employee Director commences service on the Government Advisory Committee on or after the beginning of a calendar year, then the Non-Employee Director’s Annual Government Advisory Committee Retainer paid in the form of RSUs, as set forth under “Annual Compensation” above, will be pro-rated based on the number of calendar quarters during the year during which the Non-Employee Director will serve on the Government Advisory Committee and will be granted on the first business day of the first calendar quarter that begins after the date the Non-Employee Director commences service on the Government Advisory Committee; provided, however, that if such service commences during the final calendar quarter of such calendar year, such award will be granted on the last business day of such calendar year. The RSUs will vest in full on the first anniversary of the date of grant, provided that the Non-Employee Director is in service as a Director on such vesting date.
TERMS OF EQUITY--BASED AWARDS:
Any RSUs described in this Program will be granted under the Equity Incentive Plan and will be subject to the terms and conditions of (i) this Program, (ii) the Equity Incentive Plan and (iii) the forms of RSU grant notice and agreement approved by the Board for the grant of such awards to Non-Employee Directors.
Unless a number of units is otherwise set forth in this Program, the actual number of units subject to any RSUs granted pursuant to this Program will be determined by dividing the dollar amount allocated to such award by the Fair Market Value of a share of the Company’s common stock on the day on which the RSU is granted (with the resulting number of units rounded down to the nearest whole unit).
If a Non-Employee Director timely elects to defer delivery of shares to be issued upon settlement of vested RSUs (or such Non-Employee Director does not make a timely election as to the timing for delivery of such shares), any vested RSUs granted pursuant to this Program will be settled in shares of the Company’s common stock on the earlier of (i) six months and one day after a Non-Employee Director’s “separation from service” (as such term is defined in Treasury Regulations Section 1.409A-1(h) without regard to any alternative definition thereunder) as a Director (a “Separation from Service”) for any reason or (ii) a Change in Control that also constitutes a “change in control event” (as determined under Treasury Regulations Section 1.409A-3(i)(5)) (a “Change in Control”).
If a Non-Employee Director does not elect to defer delivery of shares to be issued upon settlement of vested RSUs and instead timely elects to be issued such shares upon vesting, any RSUs granted pursuant to this Program will be settled in shares of the Company’s common stock on the applicable vesting date (or as soon as practicable thereafter), subject to the terms and conditions of the applicable form of RSU grant notice and agreement approved by the Board; provided, however, that such shares shall be delivered no later than the date that is the 15th day of the third calendar month of the year following the year in which such shares are no longer subject to a “substantial risk of forfeiture” within the meaning of Treasury Regulations Section 1.409A-1(d).
6.





Any RSUs granted pursuant to this Program that have not yet vested as of the date of termination as a Director will be forfeited upon such termination; provided, however, that:
unless such termination is for Cause (as defined in the RSU agreement) or is due to the Director’s death or Disability, the following number of RSUs will become vested upon such termination: 25% of the total number of RSUs subject to the award, multiplied by the total number of partial and full calendar quarters of service completed as a Director during the calendar year in which such termination occurs; and
if such termination is due to the Director’s death or Disability, any unvested RSUs will become fully vested upon such termination.
EXPENSES: Each Non-Employee Director will be eligible for reimbursement from the Company for all reasonable out-of-pocket expenses incurred by the Non-Employee Director in connection with his or her attendance at Board and Committee meetings. To the extent that any taxable reimbursements are provided to a Non-Employee Director, they will be provided in accordance with Section 409A of the Code and any applicable state law of similar effect, including, but not limited to, the following provisions: (i) the amount of any such expenses eligible for reimbursement during the Non-Employee Director’s taxable year may not affect the expenses eligible for reimbursement in any other taxable year; (ii) the reimbursement of an eligible expense must be made no later than the last day of the Non-Employee Director’s taxable year that immediately follows the taxable year in which the expense was incurred; and (iii) the right to any reimbursement may not be subject to liquidation or exchange for another benefit.
SECTION 409A: Notwithstanding anything to the contrary in this Program, if a Director is deemed by the Company at the time of such Director’s “separation from service” (as such term is defined in Treasury Regulations Section 1.409A-1(h) without regard to any alternative definition thereunder) with the Company to be a “specified employee” for purposes of Section 409A(a)(2)(B)(i) of the Code, and if any of the payments upon such separation from service set forth herein and/or under any other agreement with the Company are deemed to be “deferred compensation,” then to the extent delayed commencement of any portion of such payments is required to avoid a prohibited distribution under Section 409A(a)(2)(B)(i) of the Code and the related adverse taxation under Section 409A of the Code, such payments shall not be provided to such Director prior to the earliest of (i) the date that is six months and one day after the date of such separation from service, (ii) the date of the Director’s death, or (iii) such earlier date as permitted under Section 409A of the Code without the imposition of adverse taxation. Upon the first business day following the expiration of such applicable Code Section 409A(a)(2)(B)(i) period, all payments deferred pursuant to this paragraph shall be paid in a lump sum to the Director, and any remaining payments due shall be paid as otherwise provided herein or in the applicable agreement.
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IRIDIUM COMMUNICATIONS INC.
  
Compensation Program for Non-Employee Directors
2024 Election Form
Name (Last, First, Middle Initial)Social Security NumberDate of Birth
AddressCityStateZip Code
Name (Last, First, Middle Initial)Social Security NumberDate of Birth
By signing below, I certify that I have read and understand the terms of the Iridium Communications Inc. Compensation Program for Non-Employee Directors (the “Program”) and voluntarily elect the compensation allocations listed below.

By signing below, I also understand that (i) to be valid, my election must be received by Iridium by no later than December 29, 2023, (ii) my election may not be revoked or changed once made, (iii) if I do not make a timely election, I will be paid my Annual Board Retainer $50,000 in cash and $200,000 in restricted stock units, and 100% of any other retainer I am eligible to receive (except any Annual Government Advisory Committee Retainer) in cash, with all restricted stock units granted pursuant to the Program deemed to be subject to the “Deferred Settlement” alternative below under the “Deferral Election” section, and (iv) if I select “Deferred Settlement” below under the “Deferral Election” section, any compensation I elect to receive as restricted stock units and any restricted stock units I receive as an Annual Government Advisory Committee Retainer (in all cases, if vested) will not be paid out to me until six months and one day after my separation from service (as defined under Treasury Regulations Section 1.409A-1(h)) as a director (or, if earlier, on a Change in Control (as defined in the Iridium Communications Inc. Amended and Restated 2015 Equity Incentive Plan) that also constitutes a “change in control event” (as determined under Treasury Regulations Section 1.409A-3(i)(5)).
2024 Compensation Allocation — Annual Board Retainer

The Annual Board Retainer ($250,000) consists of (i) an Annual Cash Retainer ($50,000) and (ii) an Annual Stock Retainer ($200,000).

The election for the Annual Cash Retainer may be allocated among cash and restricted stock units in multiples of 5%.

Note: This election will apply only to the Annual Cash Retainer. An election may not be made with respect to the Annual Stock Retainer. The Annual Stock Retainer will be paid 100% in restricted stock units.

I hereby elect the following allocation for my 2024 Annual Cash Retainer:    
Annual Cash Retainer ($50,000):
 
          Cash             ___%
          Restricted Stock Units ___%

Total Percentage =             100%







2024 Compensation Allocation — Annual Committee Chair Retainer, Annual Committee Member Retainer or Annual Chairman of Board Retainer

The election for the Annual Committee Chair Retainer, Annual Committee Member Retainer and/or Annual Chairman of the Board Retainer may be allocated among cash and restricted stock units in multiples of 25%.

Note: This election will apply to any Annual Committee Chair Retainer, Annual Committee Member Retainer and/or Annual Chairman of the Board Retainer that is or may become payable for 2024. An election may not be made with respect to the Annual Government Advisory Committee Retainer, if applicable.

I hereby elect the following allocation for my 2024 Annual Committee Chair Retainer, Annual
Committee Member Retainer and/or Annual Chairman of the Board Retainer (if any):
Annual Committee Chair Retainer:
 
Cash                ___%
Restricted Stock Units        ___%

Total Percentage =             100%

Annual Committee Member Retainer:
 
Cash                ___%
Restricted Stock Units        ___%

Total Percentage =             100%

Annual Chairman of the Board Retainer:
 
          Cash             ___%
          Restricted Stock Units ___%

Total Percentage =             100%







2024 Compensation Allocation — Deferral Election

The election to defer delivery of shares to be issued upon settlement of vested restricted stock units must be with respect to either 0% or 100% of shares to be issued upon settlement of vested restricted stock units.

By selecting “Deferred Settlement” below, I am electing to receive restricted stock units (if vested) that will not be paid out to me until six months and one day after my “separation from service” (as defined under Treasury Regulations Section 1.409A-1(h)) as a director (or, if earlier, on a Change in Control (as defined in the Iridium Communications Inc. Amended and Restated 2015 Equity Incentive Plan) that also constitutes a “change in control event” (as determined under Treasury Regulations Section 1.409A-3(i)(5)).

By selecting “Settlement Upon Vesting” below, I am electing to receive restricted stock units (if vested) that will be paid out to me on the applicable vesting date (or as soon as practicable thereafter), subject to the terms and conditions of the applicable form of RSU grant notice and agreement; provided, however, that payout will occur no later than the date that is the 15th day of the third calendar month of the year following the year in which such restricted stock units are no longer subject to a “substantial risk of forfeiture” within the meaning of Treasury Regulations Section 1.409A-1(d).

Note: This deferral election will apply to all restricted stock units granted pursuant to the Program in 2024.

I hereby make the following deferral election with respect to the 2024 restricted stock units granted pursuant to the Program (select only one):
Deferred Settlement        ___
 
Settlement Upon Vesting        ___
SIGNATURE

Director___________________________________________________    Date__________________



Exhibit 10.27
IRIDIUM COMMUNICATIONS INC.
AMENDED AND RESTATED 2015 EQUITY INCENTIVE PLAN

RESTRICTED STOCK UNIT AWARD GRANT NOTICE

Iridium Communications Inc. (the “Company”) hereby grants to Participant a Restricted Stock Unit Award (the “Award”) under the Iridium Communications Inc. Amended and Restated 2015 Equity Incentive Plan (the “Plan”) for the number of restricted stock units (the “RSUs”) set forth below. This Award is subject to all of the terms and conditions set forth in this Restricted Stock Unit Award Grant Notice (the “Grant Notice”) and in the Restricted Stock Unit Award Agreement (the “Agreement”) and the Plan, both of which are attached hereto and incorporated herein in their entirety. Capitalized terms not explicitly defined in this Grant Notice but defined in the Plan or the Agreement will have the same definitions as in the Plan or the Agreement.

Participant:
Date of Grant:
Vesting Commencement Date:
Number of RSUs Subject to Award:

Vesting Schedule: Subject to Section 2 of the Agreement, this Award will vest as follows: 34%% of the total number of RSUs (rounded down to the nearest whole RSU) on the first anniversary of the Vesting Commencement Date, and as to 8.25% of the total number of RSUs (rounded down to the nearest whole RSU, except for the last vesting installment) each quarter thereafter, subject to Participant’s Continuous Service through each such vesting date. Each installment of RSUs that vests under this Award is a “separate payment” for purposes of Treasury Regulations Section 1.409A-2(b)(2).

Issuance Schedule: Subject to any change upon a Capitalization Adjustment, one share of Common Stock will be issued for each RSU that vests at the time set forth in Section 6 of the Agreement.

Additional Terms/Acknowledgments: By clicking “Accept,” Participant acknowledges receipt of, and understands and agrees to, this Grant Notice, the Agreement, the Plan and the stock plan prospectus for the Plan. Participant further acknowledges that as of the Date of Grant, this Grant Notice, the Agreement and the Plan set forth the entire understanding between Participant and the Company regarding this Award and supersede all prior oral and written agreements, promises and/or representations regarding this Award, with the exception, if applicable, of (i) any written employment, offer letter or severance agreement, or any written severance plan or policy specifying the terms that should govern this Award, (ii) the Company’s Stock Ownership Guidelines, and (iii) any compensation recovery policy that is adopted by the Company or is otherwise required by applicable law. By accepting this Award, Participant consents to receive this Grant Notice, the Agreement, the Plan, the stock plan prospectus for the Plan and any other Plan-related documents by electronic delivery and to participate in the Plan through an on-line or electronic system established and maintained by the Company or another third party designated by the Company.

IRIDIUM COMMUNICATIONS INC.


By: /s/ Matthew J. Desch
Signature

Title: Chief Executive Officer                  Date:

ATTACHMENTS:     Restricted Stock Unit Award Agreement, Amended and Restated 2015 Equity Incentive Plan, Prospectus



IRIDIUM COMMUNICATIONS INC.
AMENDED AND RESTATED 2015 EQUITY INCENTIVE PLAN

RESTRICTED STOCK UNIT AWARD AGREEMENT

Pursuant to the accompanying Restricted Stock Unit Award Grant Notice (the “Grant Notice”) and this Restricted Stock Unit Award Agreement (the “Agreement”), Iridium Communications Inc. (the “Company”) has granted you a Restricted Stock Unit Award (the “Award”) under the Iridium Communications Inc. Amended and Restated 2015 Equity Incentive Plan (the “Plan”) for the number of restricted stock units (the “Restricted Stock Units”) set forth in the Grant Notice. This Award is granted to you effective as of the date of grant set forth in the Grant Notice (the “Date of Grant”). Capitalized terms not explicitly defined in this Agreement but defined in the Plan or the Grant Notice will have the same definitions as in the Plan or the Grant Notice.
1.GRANT OF THE AWARD. This Award represents your right to be issued on a future date (as set forth in Section 6) one share of Common Stock for each Restricted Stock Unit subject to this Award that vests in accordance with the Grant Notice and this Agreement. This Award was granted in consideration of your services to the Company or an Affiliate.
2.VESTING.
a.This Award will vest, if at all, in accordance with the vesting schedule set forth in the Grant Notice, provided that vesting will cease upon the termination of your Continuous Service, except as otherwise explicitly provided in the Plan or this Agreement. Upon such termination of your Continuous Service, you will forfeit (at no cost to the Company) any Restricted Stock Units subject to this Award that have not vested as of the date of such termination and you will have no further right, title or interest in such Restricted Stock Units.
b.In the event of Retirement on or after the six-month anniversary of the Date of Grant, this Award will become fully vested as of the date of such Retirement, provided that you comply with any other requirements in the Company’s then-current policy regarding Retirement. For clarity, in the event of Retirement prior to the six-month anniversary of the Date of Grant, this Award will be forfeited as of the date of such Retirement and you will have no further right, title or interest in such Award. For purposes of this Agreement, “Retirement” means a termination of your Continuous Service (other than for Cause and other than due to your death or Disability) upon or after you have satisfied all of the following requirements: (i) you have reached age 55; (ii) you have provided at least 10 years of Continuous Service; and (iii) the sum of your age plus years of Continuous Service totals at least 70.
c.In the event of a termination of your Continuous Service due to your death or Disability, this Award will become fully vested as of the date of such termination (or as soon as administratively practicable thereafter, but no later than the 60th day following the date of such termination). In order to give effect to the intent of the foregoing provision, in the event of such termination, notwithstanding anything to the contrary in the Plan or this Agreement, no portion



of this Award (to the extent outstanding and unvested as of the date of such termination) will be forfeited or terminate any earlier than the 60th day following the date of such termination.
3.NUMBER OF RESTRICTED STOCK UNITS AND SHARES OF COMMON STOCK.
a.The number of Restricted Stock Units subject to this Award, as set forth in the Grant Notice, will be adjusted for Capitalization Adjustments, if any, as provided in the Plan.
b.Any additional Restricted Stock Units and any shares of Common Stock, cash or other property that become subject to this Award pursuant to this Section 3 will be subject, in a manner determined by the Board, to the same forfeiture restrictions, restrictions on transferability, and time and manner of issuance as applicable to the other Restricted Stock Units subject to this Award to which they relate.
c.No fractional shares or rights for fractional shares of Common Stock will be created pursuant to this Section 3. Any fractional shares that may be created by the adjustments referred to in this Section 3 will be rounded down to the nearest whole share.
4.SECURITIES LAW COMPLIANCE. You will not be issued any shares of Common Stock in respect of this Award unless either (i) such shares are registered under the Securities Act or (ii) the Company has determined that such issuance would be exempt from the registration requirements of the Securities Act. This Award also must comply with all other applicable laws and regulations governing this Award, and you will not receive any shares of Common Stock in respect of this Award if the Company determines that such receipt would not be in material compliance with such laws and regulations.
5.TRANSFERABILITY. Except as otherwise provided in this Section 5, this Award is not transferable, except by will or by the laws of descent and distribution and prior to the time that shares of Common Stock in respect of this Award have been issued to you, you may not transfer, pledge, sell or otherwise dispose of any portion of the Restricted Stock Units or the shares of Common Stock in respect of this Award. For example, you may not use any shares of Common Stock that may be issued in respect of this Award as security for a loan, nor may you transfer, pledge, sell or otherwise dispose of such shares. This restriction on transfer will lapse upon issuance to you of the shares of Common Stock in respect of this Award.
a.Beneficiary Designation. Upon receiving written permission from the Board or its duly authorized designee, you may, by delivering written notice to the Company, in a form approved by the Company and any broker designated by the Company to effect transactions under the Plan, designate a third party who, in the event of your death, will thereafter be entitled to receive any distribution of Common Stock or other consideration to which you were entitled at the time of your death pursuant to this Agreement. In the absence of such a designation, in the event of your death, the executor or administrator of your estate will be entitled to receive, on behalf of your estate, such Common Stock or other consideration.
b.Domestic Relations Orders. Upon receiving written permission from the Board or its duly authorized designee, and provided that you and the designated transferee enter



into transfer and other agreements required by the Company, you may transfer your right to receive any distribution of Common Stock or other consideration under this Award, pursuant to the terms of a domestic relations order, official marital settlement agreement or other divorce or separation instrument as permitted by applicable law that contains the information required by the Company to effectuate the transfer. You are encouraged to discuss with the Company’s General Counsel the proposed terms of any such transfer prior to finalizing such domestic relations order, marital settlement agreement or other divorce or separation instrument to help ensure the required information is contained within the domestic relations order, marital settlement agreement or other divorce or separation instrument.
6.DATE OF ISSUANCE.
a.The issuance of any shares of Common Stock in respect of this Award is (i) subject to satisfaction of the tax withholding obligations set forth in Section 10 and (ii) intended to comply with Treasury Regulations Section 1.409A-1(b)(4) and will be construed and administered in such a manner. The form of such issuance (e.g., a stock certificate or electronic entry evidencing such shares) will be determined by the Company.
b.In the event one or more Restricted Stock Units subject to this Award vests, the Company will issue to you, on the applicable vesting date, one share of Common Stock for each Restricted Stock Unit that vests on such date (and for purposes of this Agreement, such issuance date is referred to as the “Original Issuance Date”); provided, however, that if the Original Issuance Date falls on a date that is not a business day, such shares will instead be issued to you on the next following business day.
c.Notwithstanding the foregoing, if (i) the Original Issuance Date does not occur (1) during an “open window period” applicable to you, as determined by the Company in accordance with the Company’s then-effective policy on trading in Company securities, or (2) on a date when you are otherwise permitted to sell shares of Common Stock on an established stock exchange or stock market (including, but not limited to, under a previously established 10b5-1 trading plan entered into in compliance with the Company’s policies), and (ii) the Board elects, prior to the Original Issuance Date, (1) not to satisfy the Withholding Taxes described in Section 10 by withholding shares of Common Stock from the shares of Common Stock otherwise due, on the Original Issuance Date, to you under this Award, (2) not to permit you to enter into a “same day sale” commitment with a broker-dealer pursuant to Section 10 (including, but not limited to, a commitment under a previously established 10b5-1 trading plan entered into in compliance with the Company’s policies) and (3) not to permit you to pay the Withholding Taxes in cash, then the shares that would otherwise be issued to you on the Original Issuance Date will not be issued on such Original Issuance Date and will instead be issued on the first business day when you are not prohibited from selling shares of Common Stock in the open public market, but in no event later than December 31 of the calendar year in which the Original Issuance Date occurs (that is, the last day of your taxable year in which the Original Issuance Date occurs), or, if and only if permitted in a manner that complies with Treasury Regulations Section 1.409A-1(b)(4), no later than the date that is the 15th day of the third calendar month of the year following the year in which the shares of Common Stock in respect of this Award are no longer subject to a



“substantial risk of forfeiture” within the meaning of Treasury Regulations Section 1.409A-1(d). Notwithstanding the foregoing, to the extent this Award is deemed to be deferred compensation subject to Section 409A of the Code, the foregoing provision in this Section 6(c) will not apply to any portion of this Award that becomes vested pursuant to Section 2(c).
7.DIVIDENDS. You may become entitled to receive payments equal to any cash dividends and other distributions paid with respect to a corresponding number of shares of Common Stock to be issued in respect of the Restricted Stock Units covered by this Award. Any such dividends or distributions shall be subject to the same forfeiture restrictions as apply to the Restricted Stock Units and shall be paid at the same time that the corresponding shares are issued in respect of your vested Restricted Stock Units, provided, however that to the extent any such dividends or distributions are paid in shares of Common Stock, then you will automatically be granted a corresponding number of additional Restricted Stock Units subject to this Award (the “Dividend Units”), and further provided that such Dividend Units shall be subject to the same forfeiture restrictions and restrictions on transferability, and same timing requirements for issuance of shares, as apply to the Restricted Stock Units subject to this Award with respect to which the Dividend Units relate.
8.RESTRICTIVE LEGENDS. The shares of Common Stock issued in respect of this Award will be endorsed with appropriate legends, if any, as determined by the Company.
9.AWARD NOT A SERVICE CONTRACT. Your Continuous Service is not for any specified term and may be terminated by you or by the Company or an Affiliate at any time, for any reason, with or without cause and with or without notice. This Award is not an employment or service contract, and nothing in this Award (including, but not limited to, the vesting of the Restricted Stock Units subject to this Award or the issuance of shares of Common Stock in respect of this Award), this Agreement, the Plan or any covenant of good faith and fair dealing that may be found implicit in this Award or Agreement or the Plan will: (i) create or confer upon you any right or obligation to continue in the employ or service of, or affiliation with, the Company or an Affiliate; (ii) constitute any promise or commitment by the Company or an Affiliate regarding the fact or nature of future positions, future work assignments, future compensation or any other term or condition of employment, service or affiliation; (iii) create or confer upon you any right or benefit under this Award unless such right or benefit has specifically accrued under the terms of this Agreement or the Plan; or (iv) deprive the Company of the right to terminate you at will and without regard to any future vesting opportunity that you may have. In addition, nothing in this Award will obligate the Company or an Affiliate, their respective stockholders, boards of directors, Officers or Employees to continue any relationship that you might have as an Employee, Director or Consultant for the Company or an Affiliate.
10.TAX WITHHOLDING OBLIGATIONS.
a.On or before the time you receive a distribution of any shares of Common Stock in respect of this Award, and at any other time as reasonably requested by the Company in accordance with applicable tax laws, you agree to make adequate provision for any sums required to satisfy the federal, state, local and foreign tax withholding obligations of the Company or any Affiliate that arise in connection with this Award (the “Withholding Taxes”).



Specifically, the Company or an Affiliate may, in its sole discretion, satisfy all or any portion of the Withholding Taxes relating to this Award by any of the following means or by a combination of such means: (i) withholding from any compensation otherwise payable to you by the Company or an Affiliate; (ii) causing you to tender a cash payment; (iii) permitting you to enter into a “same day sale” commitment with a broker-dealer that is a member of the Financial Industry Regulatory Authority (a “FINRA Dealer”) whereby you irrevocably elect to sell a portion of the shares of Common Stock to be issued in connection with this Award to satisfy the Withholding Taxes and whereby the FINRA Dealer irrevocably commits to forward the proceeds necessary to satisfy the Withholding Taxes directly to the Company and/or its Affiliates; or (iv) withholding shares of Common Stock from the shares of Common Stock issued or otherwise issuable to you in connection with this Award with a Fair Market Value (measured as of the date the shares of Common Stock are issued to you) equal to the amount of such Withholding Taxes; provided, however, that no shares of Common Stock are withheld with a value exceeding the maximum amount of tax that may be required to be withheld by law (or such other amount as may be permitted while still avoiding classification of this Award as a liability for financial accounting purposes).
b.Unless the Withholding Taxes of the Company and/or any Affiliate are satisfied, the Company will have no obligation to issue to you any Common Stock.
c.In the event the Company’s obligation to withhold arises prior to the issuance to you of Common Stock or it is determined after the issuance of Common Stock to you that the amount of the Company’s withholding obligation was greater than the amount withheld by the Company, you agree to indemnify and hold the Company harmless from any failure by the Company to withhold the proper amount.
11.TAX CONSEQUENCES. The Company has no duty or obligation to minimize the tax consequences to you of this Award and will not be liable to you for any adverse tax consequences to you arising in connection with this Award. You are hereby advised to consult with your own personal tax, financial and/or legal advisors regarding the tax consequences of this Award and by accepting this Award, you have agreed that you have done so or knowingly and voluntarily declined to do so.
12.NOTICES. Any notices provided for in this Agreement or the Plan will be given in writing (including electronically) and will be deemed effectively given upon receipt or, in the case of notices delivered by mail by the Company to you, five days after deposit in the United States mail, postage prepaid, addressed to you at the last address you provided to the Company. The Company may, in its sole discretion, decide to deliver any documents related to this Award or participation in the Plan by electronic means or to request your consent to participate in the Plan by electronic means. By accepting this Award, you consent to receive such documents by electronic delivery and to participate in the Plan through an on-line or electronic system established and maintained by the Company or another third party designated by the Company.
13.GOVERNING PLAN DOCUMENT. This Award is subject to all the provisions of the Plan, the provisions of which are hereby made a part of this Award, and is further subject to all interpretations, amendments, rules and regulations which may from time to time be



promulgated and adopted pursuant to the Plan. Except as otherwise expressly provided in the Grant Notice or this Agreement, in the event of any conflict between the terms in the Grant Notice or this Agreement and the terms of the Plan, the terms of the Plan will control.
14.OTHER DOCUMENTS. You hereby acknowledge receipt of and the right to receive a document providing the information required by Rule 428(b)(1) promulgated under the Securities Act, which includes the Plan prospectus. In addition, you acknowledge receipt of the Company’s policy permitting certain individuals to sell shares of Common Stock only during certain “window” periods in effect from time to time and the Company’s insider trading policy.
15.EFFECT ON OTHER EMPLOYEE BENEFIT PLANS. The value of this Award will not be included as compensation, earnings, salaries, or other similar terms used when calculating your benefits under any employee benefit plan sponsored by the Company or any Affiliate, except as such plan otherwise expressly provides. The Company expressly reserves its rights to amend, modify, or terminate any of the Company’s or any Affiliate’s employee benefit plans.
16.STOCKHOLDER RIGHTS. You will not have voting or any other rights as a stockholder of the Company with respect to the shares of Common Stock to be issued pursuant to this Award until such shares are issued to you. Upon such issuance, you will obtain full voting and other rights as a stockholder of the Company. Nothing contained in this Agreement, and no action taken pursuant to its provisions, will create or be construed to create a trust of any kind or a fiduciary relationship between you and the Company or any other person.
17.SEVERABILITY. If any part of this Agreement or the Plan is declared by any court or governmental authority to be unlawful or invalid, such unlawfulness or invalidity will not invalidate any portion of this Agreement or the Plan not declared to be unlawful or invalid. Any Section of this Agreement (or part of such a Section) so declared to be unlawful or invalid will, if possible, be construed in a manner which will give effect to the terms of such Section or part of a Section to the fullest extent possible while remaining lawful and valid.
18.AMENDMENT. Any amendment to this Agreement must be in writing, signed by a duly authorized representative of the Company. Notwithstanding anything in the Plan to the contrary, the Board reserves the right to amend this Agreement in any way it may deem necessary or advisable to carry out the purpose of the grant as a result of any change in applicable laws or regulations or any future law, regulation, interpretation, ruling, or judicial decision.
19.CLAWBACK/RECOVERY. This Award (and any compensation paid or shares of Common Stock issued under this Award) will be subject to recoupment in accordance with the Company’s Policy for Recoupment of Incentive Compensation, with respect to compensation received on or prior to October 1, 2023, and the Company’s Incentive Compensation Recoupment Policy, with respect to compensation received on or after October 2, 2023, each as may be amended from time to time (each, a “Company Clawback Policy”), including to comply with the listing standards of any national securities exchange or association on which the Company’s securities are listed or as is otherwise required by the Dodd-Frank Wall Street Reform and Consumer Protection Act or other applicable law. No recovery of compensation



under either Company Clawback Policy will be an event giving rise to a right to resign for “good reason” or “constructive termination” (or similar term) under any plan of or agreement with the Company.
20.UNSECURED OBLIGATION. This Award is unfunded, and as a holder of vested Restricted Stock Units, you will be considered an unsecured creditor of the Company with respect to the Company’s obligation, if any, to issue shares of Common Stock or other property pursuant to this Agreement.
21.COMPLIANCE WITH SECTION 409A OF THE CODE. This Award is intended to comply with the “short-term deferral” rule set forth in Treasury Regulations Section 1.409A-1(b)(4). However, if (i) this Award fails to satisfy the requirements of the short-term deferral rule and is otherwise not exempt from, and therefore deemed to be deferred compensation subject to, Section 409A of the Code, (ii) you are deemed by the Company at the time of your “separation from service” (as such term is defined in Treasury Regulations Section 1.409A-1(h) without regard to any alternative definition thereunder) to be a “specified employee” for purposes of Section 409A(a)(2)(B)(i) of the Code, and (iii) any of the payments set forth herein are issuable upon such separation from service, then to the extent delayed commencement of any portion of such payments is required to avoid a prohibited distribution under Section 409A(a)(2)(B)(i) of the Code and the related adverse taxation under Section 409A of the Code, such payments will not be provided to you prior to the earliest of (a) the date that is six months and one day after the date of such separation from service, (b) the date of your death, or (c) such earlier date as permitted under Section 409A of the Code without the imposition of adverse taxation. Upon the first business day following the expiration of such applicable Code Section 409A(a)(2)(B)(i) period, all payments deferred pursuant to this Section 21 will be paid in a lump sum to you, and any remaining payments due will be paid as otherwise provided herein. Each installment of Restricted Stock Units that vests under this Award is a “separate payment” for purposes of Treasury Regulations Section 1.409A-2(b)(2).
22.MISCELLANEOUS.
a.The rights and obligations of the Company under this Award will be transferable to any one or more persons or entities, and all covenants and agreements hereunder will inure to the benefit of, and be enforceable by, the Company’s successors and assigns.
b.You agree upon request to execute any further documents or instruments necessary or desirable in the sole determination of the Company to carry out the purposes or intent of this Award.
c.You acknowledge and agree that you have reviewed this Award in its entirety, have had an opportunity to obtain the advice of counsel prior to executing and accepting this Award, and fully understand all provisions of this Award.
d.This Agreement will be subject to all applicable laws, rules, and regulations, and to such approvals by any governmental agencies or national securities exchanges as may be required.



e.All obligations of the Company under the Plan and this Agreement will be binding on any successor to the Company, whether the existence of such successor is the result of a direct or indirect purchase, merger, consolidation, or otherwise, of all or substantially all of the business and/or assets of the Company.
* * *
This Restricted Stock Unit Award Agreement will be deemed to be accepted by you upon your acceptance of the Restricted Stock Unit Award Grant Notice to which it is attached.



EXHIBIT 21.1
SUBSIDIARIES OF IRIDIUM COMMUNICATIONS INC.
 
Subsidiary Jurisdiction of Organization
Iridium Blocker-B Inc. Delaware
Syncom-Iridium Holdings Corp. Delaware
Iridium Holdings LLC Delaware
Iridium Satellite LLC Delaware
Iridium Constellation LLC Delaware
Iridium Carrier Holdings LLC Delaware
Iridium Carrier Services LLC Delaware
Iridium Government Services LLC Delaware
Iridium Satellite SA LLCDelaware
OOO Iridium Services Russia
OOO Iridium Communications Russia
Iridium Chile SpAChile
Iridium Serviços de Satélites S.A.Brazil
Iridium Satellite UK LimitedUnited Kingdom






Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
 
We consent to the incorporation by reference in the registration statements (Nos. 333-162206 and 333-165513) on Form S-3 and (Nos. 333-165508, 333-181744, 333-204236, 333-218073, and 333-231699) on Form S-8 of our reports dated February 15, 2024, with respect to the consolidated financial statements of Iridium Communications Inc. and the effectiveness of internal control over financial reporting.



/s/ KPMG LLP

McLean, Virginia
February 15, 2024
 



Exhibit 23.2
Consent of Independent Registered Public Accounting Firm
 
We consent to the incorporation by reference in the Registration Statements (Form S-3 Nos. 333-162206 and 333-165513 and Form S-8 Nos. 333-165508, 333-181744, 333-204236, 333-218073, 333-231699, and 333-273454) of Iridium Communications Inc. of our report dated February 17, 2022, with respect to the consolidated financial statements of Iridium Communications Inc. included in this Annual Report (Form 10-K) of Iridium Communications Inc. for the year ended December 31, 2023.




/s/ Ernst & Young LLP

Tysons, Virginia
February 15, 2024
 



Exhibit 31.1
CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER
Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002
I, Matthew J. Desch, certify that:
1.I have reviewed this annual report on Form 10-K of Iridium Communications Inc.;
2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;
3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;
4.The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:
 a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
 b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;
 c)Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and
 d)Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and
5.The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons performing the equivalent functions):
 a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and
 b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.
 
Date: February 15, 2024/s/ Matthew J. Desch
 Matthew J. Desch
 Chief Executive Officer
(principal executive officer)



Exhibit 31.2
CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER
Pursuant to Section 302 of The Sarbanes-Oxley Act of 2002
I, Thomas J. Fitzpatrick, certify that:
1.I have reviewed this annual report on Form 10-K of Iridium Communications Inc.;
2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;
3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;
4.The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:
 a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;
 b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;
 c)Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and
 d)Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and
5.The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons performing the equivalent functions):
 a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and
 b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.
 
Date: February 15, 2024/s/ Thomas J. Fitzpatrick
 Thomas J. Fitzpatrick
 Chief Financial Officer
(principal financial officer)



Exhibit 32.1
CERTIFICATIONS OF
PRINCIPAL EXECUTIVE OFFICER AND PRINCIPAL FINANCIAL OFFICER
PURSUANT TO 18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, the Chief Executive Officer and the Chief Financial Officer of Iridium Communications Inc. (the “Company”) each hereby certifies that, to the best of his knowledge:
1.The Company’s Quarterly Report on Form 10-K for the fiscal year ended December 31, 2022, to which this Certification is attached as Exhibit 32.1 (the “Form 10-K”), fully complies with the requirements of Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934, as amended; and
2.The information contained in the Form 10-K fairly presents, in all material respects, the financial condition of the Company at the end of the period covered by the Form 10-K and results of operations of the Company for the periods covered in the financial statements in the Form 10-K.
Dated: February 15, 2024
 
/s/ Matthew J. Desch/s/ Thomas J. Fitzpatrick
Matthew J. Desch Thomas J. Fitzpatrick
Chief Executive Officer Chief Financial Officer
This certification accompanies the Form 10-K and shall not be deemed “filed” by the Company for purposes of Section 18 of the Securities Exchange Act of 1934, as amended.




Exhibit 97.1
IRIDIUM COMMUNICATIONS INC.
INCENTIVE COMPENSATION RECOUPMENT POLICY
1.INTRODUCTION
The Board of Directors (the “Board”) of Iridium Communications Inc., a Delaware corporation (the “Company”), has determined that it is in the best interests of the Company and its stockholders to adopt this Incentive Compensation Recoupment Policy (this “Policy”) providing for the Company’s recoupment of Recoverable Incentive Compensation that is received by Covered Officers of the Company under certain circumstances. Certain capitalized terms used in this Policy have the meanings given to such terms in Section 3 below.
This Policy is designed to comply with, and shall be interpreted to be consistent with, Section 10D of the Exchange Act, Rule 10D-1 promulgated thereunder (“Rule 10D-1”) and Nasdaq Listing Rule 5608 (the “Listing Standards”).
2.     EFFECTIVE DATE
This Policy shall apply to all Incentive Compensation that is received by a Covered Officer on or after October 2, 2023 (the “Effective Date”). This Policy shall replace and supersede the Company’s Policy for Recoupment of Incentive Compensation that was adopted in December 2019 (the “Prior Clawback Policy”) with respect to all Incentive Compensation that is received by a Covered Officer on or after the Effective Date; for clarity, the Prior Clawback Policy shall continue to apply to any Incentive Compensation that is received by a Covered Officer prior to the Effective Date. Incentive Compensation is deemed “received” in the Company’s fiscal period in which the Financial Reporting Measure specified in the Incentive Compensation award is attained, even if the payment or grant of such Incentive Compensation occurs after the end of that period.
3.     DEFINITIONS
Accounting Restatement” means an accounting restatement that the Company is required to prepare due to the material noncompliance of the Company with any financial reporting requirement under the securities laws, including any required accounting restatement to correct an error in previously issued financial statements that is material to the previously issued financial statements, or that would result in a material misstatement if the error were corrected in the current period or left uncorrected in the current period.
Accounting Restatement Date” means the earlier to occur of (a) the date that the Board, a committee of the Board authorized to take such action, or the officer or officers of the Company authorized to take such action if Board action is not required, concludes, or reasonably should have concluded, that the Company is required to prepare an Accounting Restatement, or (b) the date that a court, regulator or other legally authorized body directs the Company to prepare an Accounting Restatement.
Administrator” means the Compensation Committee or, in the absence of such committee, the Board.
Code” means the U.S. Internal Revenue Code of 1986, as amended, and the regulations promulgated thereunder.



Compensation Committee” means the Compensation Committee of the Board.
Covered Officer” means each current and former Executive Officer.
Exchange” means the Nasdaq Stock Market.
Exchange Act” means the U.S. Securities Exchange Act of 1934, as amended.
Executive Officer” means the Company’s president, principal financial officer, principal accounting officer (or if there is no such accounting officer, the controller), any vice-president of the Company in charge of a principal business unit, division, or function (such as sales, administration, or finance), any other officer who performs a policy-making function, or any other person who performs similar policy-making functions for the Company. Executive officers of the Company’s parent(s) or subsidiaries are deemed executive officers of the Company if they perform such policy-making functions for the Company. Policy-making function is not intended to include policy-making functions that are not significant. Identification of an executive officer for purposes of this Policy would include at a minimum executive officers identified pursuant to Item 401(b) of Regulation S-K promulgated under the Exchange Act.
Financial Reporting Measures” means measures that are determined and presented in accordance with the accounting principles used in preparing the Company’s financial statements, and any measures derived wholly or in part from such measures, including Company stock price and total stockholder return (“TSR”). A measure need not be presented in the Company’s financial statements or included in a filing with the SEC in order to be a Financial Reporting Measure.
Incentive Compensation” means any compensation that is granted, earned or vested based wholly or in part upon the attainment of a Financial Reporting Measure.
Lookback Period” means the three completed fiscal years immediately preceding the Accounting Restatement Date, as well as any transition period (resulting from a change in the Company’s fiscal year) within or immediately following those three completed fiscal years (except that a transition period of at least nine months shall count as a completed fiscal year). Notwithstanding the foregoing, the Lookback Period shall not include fiscal years completed prior to the Effective Date.
Recoverable Incentive Compensation” means Incentive Compensation received by a Covered Officer during the Lookback Period that exceeds the amount of Incentive Compensation that would have been received had such amount been determined based on the Accounting Restatement, computed without regard to any taxes paid (i.e., on a gross basis without regarding to tax withholdings and other deductions). For any compensation plans or programs that take into account Incentive Compensation, the amount of Recoverable Incentive Compensation for purposes of this Policy shall include, without limitation, the amount contributed to any notional account based on Recoverable Incentive Compensation and any earnings to date on that notional amount. For any Incentive Compensation that is based on stock price or TSR, where the Recoverable Incentive Compensation is not subject to mathematical recalculation directly from the information in an Accounting Restatement, the Administrator will determine the amount of Recoverable Incentive Compensation based on a reasonable estimate of the effect of the Accounting Restatement on the stock price or TSR upon which the Incentive Compensation was received. The Company shall maintain documentation of the determination of that reasonable estimate and provide such documentation to the Exchange in accordance with the Listing Standards.
SEC” means the U.S. Securities and Exchange Commission.



4.     RECOUPMENT
(a)Applicability of Policy. This Policy applies to Incentive Compensation received by a Covered Officer (i) after beginning services as an Executive Officer, (ii) who served as an Executive Officer at any time during the performance period for such Incentive Compensation, (iii) while the Company had a class of securities listed on a national securities exchange or a national securities association, and (iv) during the Lookback Period.
(b)Recoupment Generally. Pursuant to the provisions of this Policy, if there is an Accounting Restatement, the Company must reasonably promptly recoup the full amount of the Recoverable Incentive Compensation, unless the conditions of one or more subsections of Section 4(c) of this Policy are met and the Compensation Committee, or, if such committee does not consist solely of independent directors, a majority of the independent directors serving on the Board, has made a determination that recoupment would be impracticable. Recoupment is required regardless of whether the Covered Officer engaged in any misconduct and regardless of fault, and the Company’s obligation to recoup Recoverable Incentive Compensation is not dependent on whether or when any restated financial statements are filed.
(c)Impracticability of Recovery. Recoupment may be determined to be impracticable if, and only if:
(i)    the direct expense paid to a third party to assist in enforcing this Policy would exceed the amount of the applicable Recoverable Incentive Compensation; provided that, before concluding that it would be impracticable to recover any amount of Recoverable Incentive Compensation based on expense of enforcement, the Company shall make a reasonable attempt to recover such Recoverable Incentive Compensation, document such reasonable attempt(s) to recover, and provide that documentation to the Exchange in accordance with the Listing Standards; or
(ii)    recoupment of the applicable Recoverable Incentive Compensation would likely cause an otherwise tax-qualified retirement plan, under which benefits are broadly available to employees of the Company, to fail to meet the requirements of Code Section 401(a)(13) or Code Section 411(a) and regulations thereunder.
(d)Sources of Recoupment. To the extent permitted by applicable law, the Administrator shall, in its sole discretion, determine the timing and method for recouping Recoverable Incentive Compensation hereunder, provided that such recoupment is undertaken reasonably promptly. The Administrator may, in its discretion, seek recoupment from a Covered Officer from any of the following sources or a combination thereof, whether the applicable compensation was approved, awarded, granted, payable or paid to the Covered Officer prior to, on or after the Effective Date: (i) direct repayment of Recoverable Incentive Compensation previously paid to the Covered Officer; (ii) cancelling prior cash or equity-based awards (whether vested or unvested and whether paid or unpaid); (iii) cancelling or offsetting against any planned future cash or equity-based awards; (iv) forfeiture of deferred compensation, subject to compliance with Code Section 409A; and (v) any other method authorized by applicable law or contract. Subject to compliance with any applicable law, the Administrator may effectuate recoupment under this Policy from any amount otherwise payable to the Covered Officer, including amounts payable to such individual under any otherwise applicable Company plan or program, e.g., base salary, bonuses or commissions and compensation previously deferred by the Covered Officer.



The Administrator need not utilize the same method of recovery for all Covered Officers or with respect to all types of Recoverable Incentive Compensation.
(e)No Indemnification of Covered Officers. Notwithstanding any indemnification agreement, applicable insurance policy or any other agreement or provision of the Company’s certificate of incorporation or bylaws to the contrary, no Covered Officer shall be entitled to indemnification or advancement of expenses in connection with any enforcement of this Policy by the Company, including paying or reimbursing such Covered Officer for insurance premiums to cover potential obligations to the Company under this Policy.
(f)Indemnification of Administrator. Any members of the Administrator, and any other members of the Board who assist in the administration of this Policy, shall not be personally liable for any action, determination or interpretation made with respect to this Policy and shall be indemnified by the Company to the fullest extent under applicable law and Company policy with respect to any such action, determination or interpretation. The foregoing sentence shall not limit any other rights to indemnification of the members of the Board under applicable law or Company policy.
(g)No “Good Reason” for Covered Officers. Any action by the Company to recoup or any recoupment of Recoverable Incentive Compensation under this Policy from a Covered Officer shall not be deemed (i) “good reason” for resignation or to serve as a basis for a claim of constructive termination under any benefits or compensation arrangement applicable to such Covered Officer, or (ii) to constitute a breach of a contract or other arrangement to which such Covered Officer is party.
5.     ADMINISTRATION
Except as specifically set forth herein, this Policy shall be administered by the Administrator. The Administrator shall have full and final authority to make any and all determinations required under this Policy. Any determination by the Administrator with respect to this Policy shall be final, conclusive and binding on all interested parties and need not be uniform with respect to each individual covered by this Policy. In carrying out the administration of this Policy, the Administrator is authorized and directed to consult with the full Board or such other committees of the Board as may be necessary or appropriate as to matters within the scope of such other committee’s responsibility and authority. Subject to applicable law, the Administrator may authorize and empower any officer or employee of the Company to take any and all actions that the Administrator, in its sole discretion, deems necessary or appropriate to carry out the purpose and intent of this Policy (other than with respect to any recovery under this Policy involving such officer or employee).
6.     SEVERABILITY
If any provision of this Policy or the application of any such provision to a Covered Officer shall be adjudicated to be invalid, illegal or unenforceable in any respect, such invalidity, illegality or unenforceability shall not affect any other provisions of this Policy, and the invalid, illegal or unenforceable provisions shall be deemed amended to the minimum extent necessary to render any such provision or application enforceable.
7.     NO IMPAIRMENT OF OTHER REMEDIES
Nothing contained in this Policy, and no recoupment or recovery as contemplated herein, shall limit any claims, damages or other legal remedies the Company or any of its affiliates may have against a Covered Officer arising out of or resulting from any actions or omissions by the Covered Officer. This



Policy does not preclude the Company from taking any other action to enforce a Covered Officer’s obligations to the Company, including, without limitation, termination of employment and/or institution of civil proceedings. This Policy is in addition to the requirements of Section 304 of the Sarbanes-Oxley Act of 2002 (“SOX 304”) that are applicable to the Company’s Chief Executive Officer and Chief Financial Officer and to any other compensation recoupment policy and/or similar provisions in any employment, equity plan, equity award, or other individual agreement, to which the Company is a party or which the Company has adopted or may adopt and maintain from time to time; provided, however, that compensation recouped pursuant to this Policy shall not be duplicative of compensation recouped pursuant to SOX 304 or any such compensation recoupment policy and/or similar provisions in any such employment, equity plan, equity award, or other individual agreement except as may be required by law.
8.     AMENDMENT; TERMINATION
The Administrator may amend, terminate or replace this Policy or any portion of this Policy at any time and from time to time in its sole discretion. The Administrator shall amend this Policy as it deems necessary to comply with applicable law or any Listing Standard.
9.     SUCCESSORS
This Policy shall be binding and enforceable against all Covered Officers and, to the extent required by Rule 10D-1 and/or the applicable Listing Standards, their beneficiaries, heirs, executors, administrators or other legal representatives.
10. REQUIRED FILINGS
The Company shall make any disclosures and filings with respect to this Policy that are required by law, including as required by the SEC.

v3.24.0.1
Cover - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Feb. 09, 2024
Jun. 30, 2023
Document Information [Line Items]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2023    
Document Fiscal Year Focus 2023    
Document Fiscal Period Focus FY    
Document Annual Report true    
Document Transition Report false    
Entity File Number 001-33963    
Entity Registrant Name Iridium Communications Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 26-1344998    
Entity Address, Address Line One 1750 Tysons Boulevard, Suite 1400    
Entity Address, City or Town McLean    
Entity Address, State or Province VA    
Entity Address, Postal Zip Code 22102    
City Area Code 703    
Local Phone Number 287-7400    
Title of 12(b) Security Common Stock, $0.001 par value    
Trading Symbol IRDM    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 5,078.9
Entity Common Stock, Shares Outstanding   122,446,386  
Documents Incorporated by Reference Portions of the registrant’s definitive proxy statement for its 2024 annual meeting of stockholders to be filed pursuant to Regulation 14A with the Securities and Exchange Commission not later than 120 days after the registrant’s fiscal year end of December 31, 2023, are incorporated by reference into Part III of this Form 10-K.    
Entity Central Index Key 0001418819    
Current Fiscal Year End Date --12-31    
Document Financial Statement Error Correction [Flag] false    
NASDAQ/NGS (GLOBAL SELECT MARKET)      
Document Information [Line Items]      
Security Exchange Name NASDAQ    
v3.24.0.1
Audit Information
12 Months Ended
Dec. 31, 2023
Auditor [Line Items]  
Auditor Name KPMG LLP
Auditor Firm ID 185
Auditor Location McLean, Virginia
v3.24.0.1
Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Current assets:    
Cash and cash equivalents $ 71,870 $ 168,770
Accounts receivable, net 91,715 82,273
Inventory 91,135 39,776
Prepaid expenses and other current assets 16,364 15,385
Total current assets 271,084 306,204
Total property and equipment, net of accumulated depreciation 2,195,758 2,433,305
Equity Method Investments 67,130 49,853
Other assets 86,708 122,072
Intangible assets, net 41,095 42,577
Total assets 2,661,775 2,954,011
Current liabilities:    
Short-Term Debt 15,000 16,500
Accounts payable 28,671 21,372
Accrued expenses and other current liabilities 54,826 67,963
Deferred revenue 33,057 35,742
Total current liabilities 131,554 141,577
Total Long Term Debt, Net 1,467,490 1,470,685
Deferred income tax liabilities, net 114,642 151,569
Deferred revenue, net of current portion 43,965 45,265
Other long-term liabilities 16,025 16,360
Total liabilities 1,773,676 1,825,456
Commitments and contingencies
Stockholders' equity:    
Additional paid-in capital 1,089,466 1,124,610
Accumulated deficit (235,397) (47,744)
Accumulated other comprehensive income, net of tax 33,907 51,563
Total stockholders’ equity 888,099 1,128,555
Total liabilities and stockholders’ equity 2,661,775 2,954,011
Common Stock, Shares [Member]    
Stockholders' equity:    
Common stock, $0.001 par value, 300,000 shares authorized, 122,776 and 125,902 shares issued and outstanding at December 31, 2023 and 2022, respectively $ 123 $ 126
v3.24.0.1
Consolidated Balance Sheets (Parenthetical) - $ / shares
Dec. 31, 2023
Dec. 31, 2022
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized 300,000,000 300,000,000
Common stock, shares issued 122,775,823 125,901,784
Common Stock, Shares, Outstanding 122,775,823 125,901,784
Preferred stock, par value (in dollars per share) $ 0.0001  
Preferred Stock, Shares Outstanding 0 0
Series B Preferred Stock [Member]    
Preferred stock, par value (in dollars per share) $ 0.0001 $ 0.0001
Preferred stock, shares authorized 500,000 500,000
Preferred stock, shares issued 500,000 500,000
Preferred Stock, Shares Outstanding 0 0
v3.24.0.1
Consolidated Statements of Operations and Comprehensive Income - USD ($)
shares in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Revenue:      
Total Revenue $ 790,723,000 $ 721,034,000 $ 614,500,000
Operating expenses:      
Research and development 20,269,000 16,218,000 11,885,000
Selling, general and administrative 143,706,000 123,504,000 100,474,000
Depreciation and amortization 320,000,000 303,484,000 305,431,000
Total operating expenses 709,095,000 644,355,000 568,186,000
Operating income 81,628,000 76,679,000 46,314,000
Other income (expense):      
Interest expense, net (90,387,000) (65,089,000) (73,906,000)
Gain (Loss) on Extinguishment of Debt 0 (1,187,000) (879,000)
Other income (expense), net 4,012,000 107,000 (417,000)
Total other expense (86,375,000) (66,169,000) (75,202,000)
Income (loss) before income taxes and equity in net earnings of affiliates (4,747,000) 10,510,000 (28,888,000)
Income tax benefit (expense) (26,251,000) 292,000 (19,569,000)
Loss on equity method investments (6,089,000) (1,496,000) 0
Net Income (Loss) Attributable to Parent, Total $ 15,415,000 $ 8,722,000 $ (9,319,000)
Weighted average shares outstanding - basic 125,598 128,255 133,530
Weighted Average Number of Shares Outstanding, Diluted 127,215 130,134 133,530
Earnings Per Share, Basic and Diluted $ 0.12 $ 0.07 $ (0.07)
Comprehensive income (loss):      
Net income (loss) $ 15,415,000 $ 8,722,000 $ (9,319,000)
Foreign currency translation adjustments (58,000) (53,000) (280,000)
Unrealized gain (loss) on cash flow hedges, net of tax (17,598,000) 58,668,000 10,408,000
Comprehensive income (loss) (2,241,000) 67,337,000 809,000
Services      
Revenue:      
Total Revenue 584,454,000 534,721,000 491,991,000
Operating expenses:      
Cost of Goods and Services Sold 158,710,000 115,137,000 97,020,000
Subscriber equipment      
Revenue:      
Total Revenue 105,136,000 134,714,000 92,071,000
Operating expenses:      
Cost of Goods and Services Sold 66,410,000 86,012,000 53,376,000
Engineering and support services      
Revenue:      
Total Revenue $ 101,133,000 $ 51,599,000 $ 30,438,000
v3.24.0.1
Consolidated Statements of Changes in Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock, Shares [Member]
Common Stock, Amount
Additional Paid-in Capital
Accumulated Other Comprehensive Income (Loss)
Retained Earnings
Common Stock, Shares, Outstanding   134,056,000        
Total stockholders’ equity $ 1,419,439   $ 134 $ 1,160,570 $ (17,180) $ 275,915
Stock-based compensation 29,616     29,616    
Shares Issued, Value, Share-based Payment Arrangement, before Forfeiture 7,443   1 7,442    
Stock options exercised and awards vested (in shares)   1,769,000        
Adjustments To Additional Paid In Capital Stock Withheld To Cover Employee Taxes (5,918)     (5,918)    
Stock withheld to cover employee taxes (in shares)   144,000        
Repurchases and retirements of common stock (163,442)   (4) (37,652)   (125,786)
Stock Repurchased and Retired During Period, Shares   (4,339,000)        
Net income (loss) (9,319)         (9,319)
Foreign currency translation adjustments (280)       (280)  
Unrealized gain (loss) on cash flow hedges, net of tax 10,408       10,408  
Common Stock, Shares, Outstanding   131,342,000        
Total stockholders’ equity 1,287,947   131 1,154,058 (7,052) 140,810
Stock-based compensation 48,367     48,367    
Shares Issued, Value, Share-based Payment Arrangement, before Forfeiture 3,872   2 3,870    
Stock options exercised and awards vested (in shares)   1,484,000        
Adjustments To Additional Paid In Capital Stock Withheld To Cover Employee Taxes (5,293)     (5,293)    
Stock withheld to cover employee taxes (in shares)   130,000        
Repurchases and retirements of common stock (257,059)   (7) (59,776)   (197,276)
Stock Repurchased and Retired During Period, Shares   (6,794,000)        
Net income (loss) 8,722         8,722
Dividends (16,616)     (16,616)    
Foreign currency translation adjustments (53)       (53)  
Unrealized gain (loss) on cash flow hedges, net of tax $ 58,668       58,668  
Common Stock, Shares, Outstanding 125,901,784 125,902,000        
Total stockholders’ equity $ 1,128,555   126 1,124,610 51,563 (47,744)
Stock-based compensation 64,139     64,139    
Shares Issued, Value, Share-based Payment Arrangement, before Forfeiture 3,958   2 3,956    
Stock options exercised and awards vested (in shares)   1,788,000        
Adjustments To Additional Paid In Capital Stock Withheld To Cover Employee Taxes (9,680)     (9,680)    
Stock withheld to cover employee taxes (in shares)   162,000        
Repurchases and retirements of common stock (247,019)   (5) (43,946)   (203,068)
Stock Repurchased and Retired During Period, Shares   (4,752,000)        
Net income (loss) 15,415         15,415
Dividends (49,613)     (49,613)    
Foreign currency translation adjustments (58)       (58)  
Unrealized gain (loss) on cash flow hedges, net of tax $ (17,598)       (17,598)  
Common Stock, Shares, Outstanding 122,775,823 122,776,000        
Total stockholders’ equity $ 888,099   $ 123 $ 1,089,466 $ 33,907 $ (235,397)
v3.24.0.1
Consolidated Statements of Cash Flows - USD ($)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Cash flows from operating activities:      
Net income (loss) $ 15,415,000 $ 8,722,000 $ (9,319,000)
Deferred income taxes (31,828,000) (1,189,000) (21,314,000)
Depreciation and amortization 320,000,000 303,484,000 305,431,000
Loss on extinguishment of debt 0 1,187,000 879,000
Stock-based compensation (net of amounts capitalized) 57,455,000 43,732,000 26,782,000
Amortization of deferred financing fees 3,739,000 4,602,000 4,201,000
Loss on equity method investments 6,089,000 1,496,000 0
All other items, net 732,000 638,000 (160,000)
Accounts receivable (9,538,000) (18,712,000) (1,823,000)
Inventory (50,958,000) (10,183,000) 3,592,000
Prepaid expenses and other current assets (1,153,000) (4,227,000) (1,696,000)
Other assets 3,019,000 3,441,000 3,911,000
Accounts payable 2,759,000 4,730,000 (2,166,000)
Accrued expenses and other current liabilities 4,899,000 5,929,000 7,170,000
Deferred revenue (2,961,000) 4,871,000 (7,531,000)
Other long-term liabilities (2,756,000) (3,792,000) (5,083,000)
Net cash provided by operating activities 314,913,000 344,729,000 302,874,000
Cash flows from investing activities:      
Capital expenditures (73,487,000) (71,267,000) (42,147,000)
Investment in related parties 10,000,000 50,000,000  
Investment in related parties 0 0 (1,635,000)
Sales and maturities of marketable securities 0 0 7,400,000
Net cash used in investing activities (83,487,000) (121,267,000) (36,382,000)
Cash flows from financing activities:      
Borrowings under the Term Loan 63,940,000 0 179,285,000
Payments on the Term Loan (72,315,000) (116,500,000) (195,785,000)
Repurchases of common stock (247,019,000) (257,059,000) (163,442,000)
Payment of deferred financing fees (1,162,000) 0 (4,052,000)
Proceeds from exercise of stock options 3,958,000 3,872,000 7,443,000
Tax payments upon settlement of stock awards (9,680,000) (5,293,000) (5,918,000)
Payment of common stock dividends (64,774,000) 0 0
Net cash used in financing activities (327,052,000) (374,980,000) (182,469,000)
Effect of exchange rate changes on cash and cash equivalents (1,274,000) (625,000) (288,000)
Net increase (decrease) in cash and cash equivalents and restricted cash (96,900,000) (152,143,000) 83,735,000
Cash, cash equivalents and restricted cash, beginning of period 168,770,000 320,913,000 237,178,000
Cash, cash equivalents and restricted cash, end of period 71,870,000 168,770,000 320,913,000
Supplemental cash flow information:      
Interest paid, net of amounts capitalized 91,936,000 63,880,000 72,195,000
Income taxes paid, net 4,225,000 2,224,000 1,784,000
Supplemental disclosure of non-cash investing and financing activities:      
Property and equipment received but not paid for yet 7,070,000 5,697,000 8,225,000
Capitalized stock-based compensation 6,684,000 4,635,000 2,834,000
Dividends accrued on common stock $ 1,315,000 $ 16,616,000 $ 0
v3.24.0.1
Organization and Business
12 Months Ended
Dec. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Organization and Business Organization and Business
Iridium Communications Inc. (the “Company”), a Delaware corporation, offers voice and data communications services and products to businesses, U.S. and international government agencies and other customers on a global basis. The Company is a provider of mobile voice and data communications services via a constellation of low earth orbiting satellites. The Company holds various licenses and authorizations from the U.S. Federal Communications Commission (the “FCC”) and from foreign regulatory bodies that permit the Company to conduct its business, including the operation of its satellite constellation.

The Company’s operations are conducted through, and its operating assets are owned by, its principal operating subsidiary, Iridium Satellite LLC (“Iridium Satellite”), Iridium Satellite’s immediate parent, Iridium Holdings LLC, and their subsidiaries. As a result, there are no material differences between the information presented in these consolidated financial statements of the Company and the financial information of Iridium Holdings, Iridium Satellite and their subsidiaries, on a consolidated basis, other than as a result of tax provisions as a result of Iridium Holdings, Iridium Satellite and their subsidiaries being classified as flow-through entities for U.S. federal income tax purposes.
v3.24.0.1
Accounting Policies
12 Months Ended
Dec. 31, 2023
Accounting Policies [Abstract]  
Significant Accounting Policies and Basis of Presentation Significant Accounting Policies and Basis of Presentation
Principles of Consolidation and Basis of Presentation

The Company has prepared the consolidated financial statements in accordance with accounting principles generally accepted in the United States (“U.S. GAAP”). The accompanying consolidated financial statements include the accounts of (i) the Company, (ii) its wholly owned subsidiaries, and (iii) all less than wholly owned subsidiaries that the Company controls. All material intercompany transactions and balances have been eliminated. The Company has reclassified certain items in the consolidated financial statements for the prior periods to be comparable with the classification for the year ended December 31, 2023. These reclassifications had no effect on previously reported net income (loss).

Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the financial statements and the reported amounts of income and expenses during the reporting period. On an ongoing basis, the Company evaluates its estimates and assumptions, including those related to revenue recognition, the useful lives and recoverability of long-lived and intangible assets, income taxes, stock-based compensation, the incremental borrowing rate for its leases, and contingencies, among others. The Company bases these estimates on historical and anticipated results, trends, and various other assumptions that it believes are reasonable, including assumptions as to future events. These estimates form the basis for making judgments about the carrying values of assets and liabilities and recorded revenues and expenses. Actual results could differ materially from those estimates.

Recent Accounting Pronouncements Not Yet Adopted

In November 2023, the Financial Accounting Standards Board (“FASB”) issued ASU No. 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures (“ASU 2023-07”). This guidance improves reportable segment disclosure requirements, primarily through enhanced disclosures about significant segment expenses. The Company intends to apply the new guidance effective for the year ending December 31, 2024, as required. The Company is assessing the potential effects of the standard but has not yet completed its review of the impact of this guidance.

In December 2023, the FASB issued ASU No. 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures (“ASU 2023-09”). The amendments in ASU 2023-09 address investor requests for more transparency about income tax information through improvements to income tax disclosures primarily related to the rate reconciliation and income taxes paid information. The Company intends to apply the new guidance effective for the year ending December 31, 2025, as required. The Company is currently evaluating the effect ASU 2023-09 may have on its consolidated financial statements and related disclosures.
Fair Value Measurements

The Company evaluates assets and liabilities subject to fair value measurements on a recurring and non-recurring basis to determine the appropriate level to classify them for each reporting period. Fair value is the price that would be received from the sale of an asset or paid to transfer a liability assuming an orderly transaction in the most advantageous market at the measurement date. U.S. GAAP establishes a hierarchical disclosure framework which prioritizes and ranks the level of observability of inputs used in measuring fair value.
The fair value hierarchy consists of the following tiers:
Level 1, defined as observable inputs such as quoted prices in active markets for identical assets or liabilities;
Level 2, defined as observable inputs other than Level 1 prices such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities; and
Level 3, defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions.

The fair value estimates are based upon certain market assumptions and information available to the Company. The carrying values of the following financial instruments approximated their fair values as of December 31, 2023 and 2022: cash and cash equivalents, prepaid expenses and other current assets, accounts receivable, accounts payable, and accrued expenses and other current liabilities. Fair values approximate their carrying values because of their short-term nature. The Level 2 cash equivalents include money market funds, commercial paper and short-term U.S. agency securities. The Company also classifies its derivative financial instruments as Level 2. In determining fair value of Level 2 assets, the Company uses a market approach utilizing valuation models that incorporate observable inputs such as interest rates, bond yields and quoted prices for similar assets.

Leases

For new leases, the Company determines if an arrangement is or contains a lease at inception. Leases are included as right-of-use (“ROU”) assets within other assets and ROU liabilities within accrued expenses and other liabilities and within other long-term liabilities on the Company’s consolidated balance sheets.

ROU assets and liabilities are recognized at commencement date based on the present value of lease payments over the lease term. Certain leases contain variable contractual obligations as a result of future base rate escalations which are estimated based on observed trends and included within the measurement of present value. The Company’s leases do not provide an implicit rate. The Company uses its incremental borrowing rate based on the information available at commencement date in determining the present value of lease payments. The ROU asset also includes any lease payments made and excludes lease incentives. Lease expense for lease payments is recognized on a straight-line basis over the lease term.

The Company has lease agreements with lease and non-lease components, which are generally accounted for separately. For certain leases, such as teleport network facilities, the Company elected the practical expedient to combine lease and non-lease components as a single lease component. Taxes assessed on leases in which the Company is either a lessor or lessee are excluded from contract consideration and variable payments when measuring new lease contracts or remeasuring existing lease contracts.
Concentrations of Credit Risk
Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of cash and cash equivalents and receivables. The majority of cash is invested into a money market fund with U.S. treasuries, agency mortgage backed securities and/or U.S. government guaranteed debt. While the Company maintains its cash and cash equivalents with financial institutions with high credit ratings, it often maintains those deposits in federally insured financial institutions in excess of federally insured limits. The Company performs credit evaluations of its customers’ financial condition and records reserves to provide for estimated credit losses. Accounts receivable are due from both domestic and international customers.
Cash and Cash Equivalents
The Company considers all highly liquid investments with original maturities of ninety days or less to be cash equivalents. These investments, along with cash deposited in institutional money market funds, regular interest bearing depository accounts and non-interest bearing depository accounts, are classified as cash and cash equivalents on the accompanying consolidated balance sheets.
Investments
Investments where the Company has the ability to exercise significant influence, but does not control, are accounted for under the equity method of accounting and are included in Equity Method Investments on the Company’s consolidated balance sheets. Significant influence typically exists if the Company’s has a 20% to 50% ownership interest in the investee. Under this method of accounting, the Company’s share of the net earnings (losses) of the investee is included in loss on equity method investments on the consolidated statement of operations and comprehensive income (loss).
Investments where the Company has less than 20% ownership interest in the investee and lacks the ability to exercise significant influence are accounted for under ASC 321-10-35, Investments - Equity Securities. Under this topic, the Company’s investment equals its cost, less impairment, if any. For investments without a readily determinable fair value, the Company performs a qualitative assessment to determine if any impairment indicator is present. If an indicator is present, the Company determines whether fair value was less than the investment’s carrying value. If the fair value is less than its carrying value or if there is an observable price change through a similar security from the same issuer, the Company would record an impairment charge.
Accounts Receivable
Trade accounts receivable are recorded at the invoiced amount and are subject to late fee penalties. Management develops its estimate of an allowance for uncollectible receivables based on the Company’s experience with specific customers, aging of outstanding invoices, its understanding of customers’ current economic circumstances and its own judgment as to the likelihood that the Company will ultimately receive payment. The Company writes off its accounts receivable when balances ultimately are deemed uncollectible. The allowance for doubtful accounts was not material as of December 31, 2023 and 2022.
Foreign Currencies
Generally, the functional currency of the Company’s foreign consolidated subsidiaries is the local currency. Assets and liabilities of its foreign subsidiaries are translated to U.S. dollars based on exchange rates at the end of the reporting period. Income and expense items are translated at the weighted-average exchange rates prevailing during the reporting period. Translation adjustments are accumulated in a separate component of stockholders’ equity. Transaction gains or losses are classified as other income (expense), net in the accompanying consolidated statements of operations and comprehensive income (loss). In instances where the financial statements of a foreign entity in a highly inflationary economy are material, they are remeasured as if the functional currency were the reporting currency. In these instances, the financial statements of those entities are remeasured into the reporting currency. A highly inflationary economy is one that has cumulative inflation of approximately 100% or more over a three-year period.

Deferred Financing Costs

Direct and incremental costs incurred in connection with securing debt financing are deferred and are amortized as additional interest expense using the effective interest method over the term of the related debt.

Capitalized Interest

During the development and construction periods of a project, such as the financing of the Company’s current satellite constellation, the Company capitalizes interest. Capitalization ceases when the asset is ready for its intended use or when these activities are substantially suspended. If some portions of a project are substantially complete and ready for use and other portions have not yet reached that stage, the Company ceases capitalizing costs on the completed portion of the project but continues to capitalize for the incomplete portion of the project.

Inventory

Inventory consists primarily of finished goods, although the Company also maintains an inventory of raw materials from third-party manufacturers. The Company outsources manufacturing of subscriber equipment to a third-party manufacturer and
purchases accessories from third-party suppliers. The Company’s cost of inventory includes an allocation of overhead, including payroll and payroll-related costs of employees directly involved in bringing inventory to its existing condition, and freight. Inventories are valued using the average cost method and are carried at the lower of cost or net realizable value.

The Company’s expense for excess and obsolete inventory was not material during the years ended December 31, 2023, 2022 or 2021.

The Company has a manufacturing agreement with Benchmark Electronics Inc. (“Benchmark”) to manufacture most of its subscriber equipment. Pursuant to the agreement, the Company may be required to purchase excess materials at cost plus a contractual markup if the materials are not used in production within the periods specified in the agreement. Benchmark will then repurchase such materials from the Company at the same price paid by the Company, as required for the production of the subscriber equipment.

The following table summarizes the Company’s inventory balance:
December 31,
 20232022
 (In thousands)
Finished goods$48,698 $17,964 
Raw materials43,599 23,014 
Inventory valuation reserve(1,162)(1,202)
Total$91,135 $39,776 

The Company’s raw materials balance includes $32.2 million and $9.0 million at December 31, 2023 and December 31, 2022, respectively, of inventory held on consignment at third-party manufacturers.

Stock-Based Compensation

The Company accounts for stock-based compensation at estimated fair value. The fair value of stock options is determined at the grant date using the Black-Scholes-Merton option pricing model. The fair value of restricted stock units (“RSUs”) is equal to the closing price of the underlying common stock on the grant date. The fair value of an award that is ultimately expected to vest is recognized on a straight-line basis over the requisite service or performance period and is classified in the consolidated statements of operations and comprehensive income (loss) in a manner consistent with the classification of the recipient’s compensation. The expected vesting of the Company’s performance-based RSUs is based upon the probability that the Company achieves the defined performance goals. The level of achievement of performance goals, if any, is determined by the Compensation Committee. Stock-based awards to non-employee consultants are expensed at their grant-date fair value as services are provided according to the terms of their agreements and are classified in selling, general and administrative expenses in the accompanying consolidated statements of operations and comprehensive income (loss). The following table presents the classification of stock-based compensation by line item on the balance sheet and statement of operations:
As of and For Year Ended December 31,
 20232022
 (In thousands)
Property and equipment, net$5,963 $4,018 
Inventory721 617 
Cost of subscriber equipment60 69 
Cost of services (exclusive of depreciation and amortization)16,128 12,337 
Research and development1,282 648 
Selling, general and administrative39,985 30,678 
Total stock-based compensation$64,139 $48,367 
Property and Equipment

Property and equipment is carried at cost less accumulated depreciation. The Company calculates depreciation expense using the straight-line method over the useful lives of each asset. The Company applies judgment in determining the useful lives based on factors such as engineering data, long-term strategy for using the assets, the manufacturer’s estimated design life for the assets, laws and regulations that could impact the useful lives of the assets and other economic factors. The Company assesses the current estimated operational life of the satellites, including the potential impact of environmental factors on the satellites, ongoing operational enhancements and software upgrades when evaluating the useful lives of its satellites. Additionally, the Company reviews engineering data relating to the operation and performance of its satellite network.
 
During the fourth quarter of 2023, the Company updated its estimate of the satellites’ remaining useful lives based on the health of the constellation and related engineering data. As a result, the estimated useful lives of the satellites were extended by five years, from 12.5 years to 17.5 years. The impact of this change for the year ended December 31, 2023 was a decrease in depreciation expense of approximately $27.8 million and a decrease in hosted payload and other service revenue of approximately $2.3 million. For the year ended December 31, 2023, the impact of the change in useful lives of the satellites resulted in an increase in basic and diluted net income per share of $0.21 and $0.20, respectively.

During the quarter ended June 30, 2023, the Company launched five of its remaining six ground spare satellites. Following completion of successful on-orbit testing of the five launched satellites, the Company has no plans to use, develop or launch the remaining ground spare. As the Company believed the construction-in-progress associated with the remaining ground spare satellite would no longer be used, the Company wrote off the full amount remaining in construction-in-progress for that satellite by recording accelerated depreciation expense of $37.5 million, which more than offset the decrease in depreciation expense related to the increase in estimated useful lives of the satellites described above.

Repairs and maintenance costs are expensed as incurred.

Derivative Financial Instruments

The Company uses derivatives (interest rate swap, swaption, cap) to manage its exposure to fluctuating interest rate risk on variable rate debt. Its derivatives are measured at fair value and are recorded on the consolidated balance sheets within assets and other current liabilities. When the Company’s derivatives are designated as cash flow hedges, the effective portion of the changes in fair value of the derivatives are recorded in accumulated other comprehensive income (loss) within the Company’s consolidated balance sheets and subsequently recognized in earnings when the hedged items impact earnings. Any ineffective portion of a derivative’s change in fair value will be recognized in earnings in the same period in which the hedged interest payments affect earnings. Within the consolidated statements of operations and comprehensive income (loss), the gains and losses related to cash flow hedges are recognized within interest income (expense), net, as this is the same financial statement line item associated with the hedged items. Cash flows from hedging activities are included in operating activities within the Company’s consolidated statements of cash flows, which is the same category as the item being hedged. See Note 8 for further information.
Long-Lived Assets

The Company assesses its long-lived assets for impairment when indicators of impairment exist. Recoverability of assets is measured by comparing the carrying amounts of the assets to the future undiscounted cash flows expected to be generated by the assets. Any impairment loss would be measured as the excess of the assets’ carrying amount over their fair value.
Intangible Assets

The Company’s intangible assets with finite lives are amortized over their useful lives and reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of the asset may not be recoverable. If any indicators were present, the Company would test for recoverability by comparing the carrying amount of the asset to the net undiscounted cash flows expected to be generated from the asset. If those net undiscounted cash flows do not exceed the carrying amount (i.e., the asset is not recoverable), the Company would perform the next step, which is to determine the fair value of the asset and record an impairment loss, if any. The Company evaluates the useful lives for these intangible assets each reporting period to determine whether events and circumstances warrant a revision in their remaining useful lives.

The Company’s intangible assets with indefinite lives are not amortized but are tested for impairment annually, or more frequently if events or changes in circumstances indicate the asset may be impaired. The Company’s trade names, spectrum and licenses are expected to generate cash flows indefinitely.
Revenue Recognition

The Company derives its revenue primarily as a wholesaler of satellite communications products and services. The primary types of revenue include (i) service revenue (access and usage-based airtime fees), (ii) subscriber equipment revenue, and (iii) revenue generated by providing engineering and support services to commercial and government customers. In addition to the discussion immediately below, see Note 11 for further discussion of the Company’s revenue recognition.
Wholesaler of satellite communications products and services

Pursuant to wholesale agreements, the Company sells its products and services to service providers and recognizes revenue as it fulfills its performance obligations to the service providers, based an amount that reflects the consideration to which it expects to be entitled to in exchange for those products and services. The service providers, in turn, sell the products and services to other distributors or directly to the end users. The Company recognizes revenue when an arrangement exists, services or equipment are transferred, the transaction price is determined, the arrangement has commercial substance, and collection of consideration is probable.

Contracts with multiple performance obligations

At times, the Company sells services and equipment through arrangements that bundle equipment, airtime and other services. For these revenue arrangements, when the Company sells services and equipment in bundled arrangements and determines that it has separate distinct performance obligations, the Company allocates the bundled contract price among the various performance obligations based on each deliverable’s stand-alone selling price. If the stand-alone selling price is not directly observable, the Company estimates the amount to be allocated for each performance obligation based on observable market transactions or the residual approach. When the Company determines the performance obligations are not distinct, the Company recognizes revenue on a combined basis. To the extent the Company’s contracts include variable consideration, the transaction price includes both fixed and variable consideration. The variable consideration contained within the Company’s contracts with customers may include discounts, credits and other similar items. When a contract includes variable consideration, the Company evaluates the estimate of the variable consideration to determine whether the estimate needs to be constrained; therefore, the Company includes the variable consideration in the transaction price only to the extent that it is probable that a significant reversal of the amount of cumulative revenue recognized will not occur when the uncertainty associated with the variable consideration is subsequently resolved. Variable consideration estimates are updated at the end of each quarter.

Service revenue sold on a stand-alone basis

Service revenue is generated from the Company’s service providers through usage of its satellite system and through fixed monthly access fees per user charged to service providers. Revenue for usage is recognized when usage occurs and is billed in arrears with payments generally submitted within 30 days. Revenue for fixed-per-user access fees is billed monthly in advance and generally recognized over the month, or related usage period, in which the services are provided to the end user. The Company sells prepaid services in the form of e-vouchers and prepaid cards. A liability is established equal to the cash paid upon purchase for the e-voucher or prepaid card. The Company recognizes revenue from (i) the prepaid services upon the use of the e-voucher or prepaid card by the customer and (ii) the estimated pattern of use. The Company does not offer refunds for unused prepaid services.

Services sold to the U.S. government

The Company provides airtime and airtime support to U.S. government and other authorized customers pursuant to the Enhanced Mobile Satellite Services (“EMSS”) contract managed by the U.S. Space Force. Under the terms of this agreement, authorized customers continue to utilize airtime services, provided through the U.S. government’s dedicated gateway. These services include unlimited global standard and secure voice, low and high-speed data, paging, broadcast and Distributed Tactical Communications Services (“DTCS”) services for an unlimited number of Department of Defense (“DoD”) and other federal subscribers. Under this contract, revenue is based on the annual fee for the fixed-price contract with unlimited subscribers and is recognized on a straight-line basis over each contractual year, with equal payments submitted monthly. The U.S. government purchases its subscriber equipment from third-party distributors and not directly from the Company.
Subscriber equipment sold on a stand-alone basis

The Company recognizes subscriber equipment sales and the related costs when title to the equipment (and the risks and rewards of ownership) passes to the customer, typically upon shipment. Customers are billed when inventory is shipped, and payment is generally due within 30 days. Customers do not have rights of return without prior consent from the Company.

Government engineering and support services

The Company provides maintenance services to the U.S. government’s dedicated gateway. This revenue is recognized ratably over the periods in which the services are provided; the related costs are expensed as incurred.

Other government and commercial engineering and support services

The Company also provides engineering services to assist customers in developing new technologies for use on the Company’s satellite system. Fees to customers under these agreements are generally based on milestones, and payments are submitted as milestones are achieved. The revenue associated with fixed-fee contracts is recognized over time using costs incurred to date relative to total estimated costs at completion to measure progress toward satisfying its performance obligation. The Company does not include purchases of goods from a third party in its evaluation of costs incurred. Incurred costs represent work performed, which corresponds with, and thereby best depicts, the transfer of control to the customer. The revenue associated with cost-plus-fixed-fee contracts is recognized to the extent of estimated costs incurred plus the applicable fees earned. The Company considers fixed fees under cost-plus-fixed-fee contracts to be earned in proportion to the allowable costs incurred in performance of the contract.

Research and Development

Research and development costs are charged to expense in the period in which they are incurred.

Advertising Costs

Costs associated with advertising and promotions are expensed as incurred. Advertising expenses were $1.4 million, $1.7 million and $1.9 million for the years ended December 31, 2023, 2022 and 2021, respectively.

Income Taxes

The Company accounts for income taxes using the asset and liability approach, which requires the recognition of tax benefits or
expenses for temporary differences between the financial reporting and tax bases of assets and liabilities. A valuation allowance is established when necessary to reduce deferred tax assets to the amounts expected to be realized. The Company also recognizes a tax benefit from uncertain tax positions only if it is “more likely than not” that the position is sustainable based on its technical merits. The Company’s policy is to recognize interest and penalties on uncertain tax positions as a component of income tax expense.

Net Income (Loss) Per Share

The Company calculates basic net income (loss) per share by dividing net income (loss) attributable to common stockholders by the weighted-average number of shares of common stock outstanding during the period. Diluted net income (loss) per share takes into account the effect of potentially dilutive common shares when the effect is dilutive. The effect of potentially dilutive common shares, including common stock issuable upon exercise of outstanding stock options, is computed using the treasury stock method. The effect of potentially dilutive common shares from the conversion of outstanding convertible preferred securities was computed using the as-if converted method at the stated conversion rate. The Company’s unvested RSUs awarded to the board of directors contain non-forfeitable rights to dividends and therefore are considered to be participating securities in periods of net income. The calculation of basic and diluted net income (loss) per share excludes net income attributable to these unvested RSUs from the numerator and excludes the impact of these unvested RSUs from the denominator.
v3.24.0.1
Cash and Cash Equivalents and Marketable Securities
12 Months Ended
Dec. 31, 2023
Cash and Cash Equivalents [Abstract]  
Cash and Cash Equivalents and Marketable Securities Cash and Cash Equivalents
Cash and Cash Equivalents
The following table summarizes the Company’s cash and cash equivalents:
 
December 31,Recurring Fair
Value Measurement
20232022
 (In thousands) 
Cash and cash equivalents: 
Cash$32,526 $16,247  
Money market funds39,344 152,523 Level 2
Total cash and cash equivalents$71,870 $168,770  
v3.24.0.1
Property and Equipment
12 Months Ended
Dec. 31, 2023
Property, Plant and Equipment [Abstract]  
Property and Equipment Property and Equipment
The following table presents the composition of property and equipment:
December 31,
 
Useful Life
20232022
 (In thousands)
Satellite system17.5 years$3,242,829 $3,197,460 
Ground system5-7 years70,497 73,890 
Equipment3-5 years51,788 49,423 
Internally developed software and purchased software3-7 years332,824 297,538 
Building and leasehold improvements5-39 years33,433 32,695 
 Total depreciable property and equipment
3,731,371 3,651,006 
Less: accumulated depreciation(1,804,884)(1,538,535)
Total depreciable property and equipment, net of accumulated depreciation1,926,487 2,112,471 
Land8,037 8,037 
Construction-in-process:
Spare satellites
181,557 225,254 
Other construction-in-process79,677 87,543 
Total property and equipment, net of accumulated depreciation
$2,195,758 $2,433,305 
 
Depreciation expense was $318.5 million, $301.9 million and $303.8 million for the years ended December 31, 2023, 2022 and 2021, respectively. See “Property and Equipment” in Note 2 above for more information with respect to depreciation expense incurred in the year ended December 31, 2023.
v3.24.0.1
Intangible Assets
12 Months Ended
Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets Intangible Assets
The following table presents identifiable intangible assets:

 December 31, 2023
Useful
Life
Gross
Carrying Value
Accumulated
Amortization
Net
Carrying Value
 (In thousands)
Indefinite life intangible assets: 
Trade namesIndefinite$21,195 $— $21,195 
Spectrum and licensesIndefinite14,030 — 14,030 
Total 35,225 — 35,225 
Definite life intangible assets: 
Intellectual property20 years16,439 (10,987)5,452 
Assembled workforce7 years5,678 (5,678)— 
Patents14 - 20 years587 (169)418 
Total 22,704 (16,834)5,870 
Total intangible assets $57,929 $(16,834)$41,095 

 December 31, 2022
Useful
Life
Gross
Carrying Value
Accumulated
Amortization
Net
Carrying Value
 (In thousands)
Indefinite life intangible assets: 
Trade namesIndefinite$21,195 $— $21,195 
Spectrum and licensesIndefinite14,030 — 14,030 
Total 35,225 — 35,225 
Definite life intangible assets: 
Intellectual property20 years16,439 (10,347)6,092 
Assembled workforce7 years5,678 (4,867)811 
Patents14 - 20 years576 (127)449 
Total 22,693 (15,341)7,352 
Total intangible assets $57,918 $(15,341)$42,577 

Amortization expense was $1.5 million, $1.6 million and $1.6 million for the years ended December 31, 2023, 2022 and 2021, respectively.

The following table presents future amortization expense with respect to intangible assets existing at December 31, 2023, by year and in the aggregate:

Year ending December 31,Amount
 (In thousands)
2024$473 
2025473 
2026
473 
2027
473 
2028
473 
Thereafter3,505 
Total estimated future amortization expense$5,870 
v3.24.0.1
Leases (Notes)
12 Months Ended
Dec. 31, 2023
Leases [Abstract]  
Lessor, Operating Leases Leases
The Company has operating leases for land, office space, satellite network operations center (“SNOC”) facilities, system gateway facilities, a warehouse and a distribution center. The Company also has operations and maintenance (“O&M”) agreements that include leases associated with two teleport network facilities. Some of the Company’s leases include options to extend the leases for up to 10 years. The Company does not include term extension options as part of its present value calculation of lease liabilities unless it is reasonably certain to exercise those options. As of December 31, 2023, the Company’s weighted-average remaining lease term relating to its operating leases was 4.7 years, and the weighted-average discount rate used to calculate the operating lease liability payment was 6.7%.
The following table summarizes the Company’s lease-related assets and liabilities:
LeasesClassificationDecember 31, 2023December 31, 2022
(In thousands)
Operating lease assets
NoncurrentOther assets$16,133 $16,925 
Total lease assets$16,133 $16,925 
Operating lease liabilities
CurrentAccrued expenses and other current liabilities$4,327 $3,784 
NoncurrentOther long-term liabilities$14,087 15,801 
Total lease liabilities$18,414 $19,585 

During the years ended December 31, 2023, 2022 and 2021, the Company incurred lease expense of $5.2 million, $5.2 million and $5.6 million, respectively. A portion of lease expense during these comparable periods was derived from leases that were not included within the ROU asset and liability balances shown above as they had terms shorter than twelve months and were therefore excluded from balance sheet recognition under ASU 2016-02.
The following table presents future payment obligations with respect to the Company’s operating leases in which it was the lessee at December 31, 2023, by year and in the aggregate:
Year Ending December 31,Amount
(In thousands)
2024
$5,548 
2025
5,646 
2026
3,792 
2027
2,226 
2028
1,982 
Thereafter2,592 
Total lease payments$21,786 

Lessor Arrangements
Operating leases in which the Company is a lessor consist primarily of hosting agreements with Aireon LLC (“Aireon”) (see Note 14) and L3Harris Technologies, Inc. (“L3Harris”) for space on the Company’s satellites. These agreements provide for a fee that will be recognized over the estimated useful lives of the satellites, which is now approximately 17.5 years, prospectively from the change in estimated useful lives of the satellites that occurred in the fourth quarter of 2023. Lease income related to these agreements was $19.2 million for the year ended December 31, 2023 and $21.4 million for each of the years ended December 31, 2022 and 2021. The decrease for 2023 as compared to 2022 was solely the result of the change in estimated useful life of the satellites. Lease income is recorded as hosted payload and other data service revenue within service revenue on the Company’s consolidated statements of operations and comprehensive income (loss).
The following table presents future income, after giving effect to the extension of estimated useful lives of the satellites, with respect to the Company’s operating leases in which it was the lessor at December 31, 2023, by year and in the aggregate:
Year Ending December 31,Amount
(In thousands)
2024
$12,391 
2025
12,391 
2026
12,391 
2027
12,391 
2028
12,391 
   Thereafter82,106 
Total lease income$144,061 
v3.24.0.1
Debt
12 Months Ended
Dec. 31, 2023
Debt Disclosure [Abstract]  
Debt Debt
Term Loan and Revolving Facility

In September 2023, pursuant to an amended and restated credit agreement (the “Credit Agreement”), the Company refinanced its previously existing term loan resulting in total borrowing of $1,500.0 million (as so amended and restated, the “Term Loan”) in aggregate principal amount with various lenders administered by Deutsche Bank AG and an accompanying $100.0 million revolving loan (the “Revolving Facility”). The Term Loan was issued at a price equal to 99.75% of its face value and bears interest at an annual rate equal to the Secured Overnight Financing Rate (“SOFR”) plus 2.50%, with a 0.75% SOFR floor. The maturity of the Term Loan is in September 2030. The Company typically selects a one-month interest period, with the result that interest is calculated using one-month SOFR. Interest is paid monthly on the last business day of the month. Principal payments, payable quarterly beginning with the quarter ending March 31, 2024, equal $15.0 million per annum (one percent of the full principal amount of the Term Loan), with the remaining principal due upon maturity.
The Revolving Facility bears interest at the same rate (but without a SOFR floor) if and as drawn, with no original issue discount, a commitment fee of 0.5% per year on the undrawn amount, which will be reduced to 0.375% if the Company has a consolidated first lien net leverage ratio (as defined in the Credit Agreement) of less than 3.5 to 1, and a maturity date in September 2028.
The Company paid $3.8 million of issuance costs to refinance the Term Loan in September 2023, which were deferred and will be amortized through the term of the loan. Lenders making up approximately $16.8 million of the Term Loan did not participate in the refinancing. Those portions of the Term Loan were replaced by new or existing lenders. This resulted in an immaterial loss on extinguishment of debt, as the Company wrote off the unamortized debt issuance costs related to the lenders who were fully repaid in an exchange of principal. The Company deferred an additional $1.2 million of third-party fees associated with the refinancing of the Term Loan and the Revolving Facility.
In the fourth quarter of 2022, the Company elected to prepay $100.0 million of principal on the Term Loan. This resulted in a $1.2 million loss on extinguishment of debt, as the Company wrote off the unamortized debt issuance costs related to this prepayment.
In the third quarter of 2021, the Company repriced the Term Loan and incurred a $0.9 million loss on extinguishment of debt, as the Company wrote off the unamortized debt issuance costs related to the lenders who were fully repaid in an exchange of principal.
As of December 31, 2023 and 2022, the Company reported an aggregate of $1,500.0 million and $1,504.6 million in borrowings under the Term Loan, respectively. These amounts do not include $17.5 million and $17.4 million of net unamortized deferred financing costs as of December 31, 2023 and 2022, respectively. The net principal balance in borrowings in the accompanying consolidated balance sheets as of December 31, 2023 and 2022 amounted to $1,482.5 million and $1,487.2 million, respectively. As of December 31, 2023 and 2022, based upon over-the-counter bid levels (Level 2 - market approach), the fair value of the borrowings under the Term Loan was $1,506.6 million and $1,494.3 million, respectively. The Company had not borrowed under the Revolving Facility as of December 31, 2023 or 2022.
The Credit Agreement restricts the Company’s ability to incur liens, engage in mergers or asset sales, pay dividends, repay subordinated indebtedness, incur indebtedness, make investments and loans, and engage in other transactions as specified in the Credit Agreement. The Credit Agreement provides for specified exceptions, including baskets measured as a percentage of
trailing twelve months of earnings before interest, taxes, depreciation and amortization (“EBITDA”) and unlimited exceptions in the case of incurring indebtedness and liens and making investments, dividend payments, and payments of subordinated indebtedness, based on achievement and maintenance of specified leverage ratios. The Credit Agreement also contains an annual mandatory prepayment sweep mechanism with respect to a portion of the Company’s excess cash flow (as defined in the Credit Agreement) in the event the Company’s net leverage ratio rises above 3.5 to 1. As of December 31, 2023, the Company was below the specified leverage ratio and therefore no mandatory prepayment sweep was not required. The Credit Agreement permits repayment, prepayment and repricing transactions, subject, in the case of the Term Loan, to a 1% penalty in the event the Term Loan is prepaid or repriced within the first six months from the refinancing date.

The Credit Agreement contains no financial maintenance covenants with respect to the Term Loan. With respect to the Revolving Facility, the Credit Agreement requires the Company to maintain a consolidated first lien net leverage ratio (as defined in the Credit Agreement) of no greater than 6.25 to 1 if more than 35% of the Revolving Facility has been drawn. The Credit Agreement contains other customary representations and warranties, affirmative and negative covenants, and events of default. The Company was in compliance with all covenants as of December 31, 2023.

Interest on Debt

Total interest incurred includes amortization of deferred financing fees and capitalized interest. The Company incurred third-party financing costs of $15.9 million in connection with the refinancing of the Term Loan in September 2023, of which $14.7 million was expensed. All third-party financing costs incurred during the years ended December 31, 2022 and 2021 were expensed. All amounts expensed are included within interest expense on the consolidated statements of operations and comprehensive income (loss).
The following table presents the interest and amortization of deferred financing fees related to the Term Loan:
Year Ended December 31,
202320222021
(In thousands)
Total interest incurred$102,321 $72,090 $72,816 
Amortization of deferred financing fees$3,958 $4,760 $4,316 
Capitalized interest$5,086 $2,590 $2,146 

As of December 31, 2023 and 2022, accrued interest under the Term Loan was $1.0 million and $0.3 million, respectively.

Total Debt
The following table presents future minimum principal repayments with respect to the Term Loan existing at December 31, 2023, by year and in the aggregate:

Year ending December 31,Amount
 (In thousands)
2024$15,000 
202515,000 
2026
15,000 
2027
15,000 
202815,000 
Thereafter
1,425,000 
Total debt commitments1,500,000 
Less: Original issuance discount17,510 
Less: Total short-term debt15,000 
Total long-term debt, net$1,467,490 
The repayment schedule above excludes future amounts that may be required to be prepaid pursuant to the excess cash flow sweep provision of the Credit Agreement, as those amounts are not determinable in advance.
v3.24.0.1
Derivative Instruments (Notes)
3 Months Ended
Dec. 31, 2023
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Derivative Instruments and Hedging Activities Disclosure [Text Block] Derivative Financial Instruments
The Company is exposed to interest rate fluctuations related to its Term Loan. The Company has reduced its exposure to fluctuations in the cash flows associated with changes in the variable interest rate by entering into offsetting positions through the use of interest rate hedges. This will reduce the negative impact of increases in the variable rate over the term of the derivative contracts. These contracts are not used for trading or other speculative purposes. Historically, the Company has not incurred, and does not expect to incur in the future, any losses as a result of counterparty default.

Hedge effectiveness of the current interest rate cap agreement (the “Cap”) is based on a long-haul hypothetical derivative methodology and includes all changes in value. The Company formally assesses, both at the hedge’s inception and on an ongoing quarterly basis, whether the designated derivative instruments are highly effective in offsetting changes in the cash flows of the hedged items. When the hedging instrument is sold, expires, is terminated, is exercised, no longer qualifies for hedge accounting, is designated, or is no longer probable, hedge accounting is discontinued prospectively.

Interest Rate Cap

In July 2021, the Company entered into the Cap, which had an effective date of December 2021 upon the expiration of the Company’s long-term interest rate swap (the “Swap”). The Cap manages the Company’s exposure to interest rate movements on a portion of the Term Loan through November 2026. In December 2022, the Company modified the Cap to replace the previous LIBOR base rate with SOFR and received a credit risk adjustment of 0.064%. The modified Cap provides the Company the right to receive payment from the counterparty if one-month SOFR exceeds 1.436%. Prior to the modification, the Company received payment under the terms of the Cap if one-month LIBOR exceeded 1.5%. The Company pays a fixed monthly premium based on an annual rate of 0.31% for the Cap. The Cap carried a notional amount of $1.0 billion as of December 31, 2023 and 2022.

The Cap, which was not affected by the refinancing of the Term Loan in September 2023, is designed to mirror the terms of the Term Loan and to offset the cash flows being hedged. The Company designated the Cap as a cash flow hedge of the variability of the SOFR-based rate interest payments on the Term Loan. The effective portion of the Cap’s change in fair value will be recorded in accumulated other comprehensive income (loss). Any ineffective portion of the Cap’s change in fair value will be recorded in current earnings as interest expense.

Interest Rate Swaps

In November 2019, the Company entered into the Swap which had a term through November 2021 and was intended to mitigate variability in forecasted interest payments on a portion of the Term Loan. On the last business day of each month, the Company received variable interest payments based on one-month LIBOR from the counterparty. The Company paid a fixed rate of 1.565% per annum on the notional amount of $1.0 billion on the Swap until its expiration in November 2021. The Company also entered into an interest rate swaption agreement (“Swaption”), for which the Company paid a fixed annual rate of 0.50% of the notional amount. At inception, the Swap and Swaption (collectively, the “swap contracts”) were designated as cash flow hedges for hedge accounting. The unrealized changes in market value were recorded in accumulated other comprehensive income (loss) and any remaining balance was reclassified into earnings during the period in which the hedged transaction affected earnings. Due to the changes made to the Term Loan as a result of the July 2021 repricing, at that time the Company elected to de-designate the Swap as a cash flow hedge. Accordingly, as the related interest payments were still probable, the accumulated balance within other comprehensive income (loss) as of the de-designation date was amortized into earnings through the November 2021 expiration date.

Fair Value of Derivative Instruments

As of December 31, 2023 and 2022, the Company had an asset balance of $66.5 million and $92.3 million, respectively, for the fair value of the Cap, and a liability balance of $8.4 million and $11.0 million, respectively, for the fair value of the Cap premium. Both the Cap and the Cap premium are recorded within other assets on the consolidated balance sheet.
During the years ended December 31, 2023, 2022, and 2021 the Company collectively incurred $3.3 million, $3.3 million, and $8.5 million, respectively, in net interest expense for the Cap and Swap contracts. Interest expense was reduced by $36.2 million and $7.2 million for the years ended December 31, 2023 and 2022, respectively, for payments received related to the Cap. There were no such interest payments received for the year ended December 31, 2021. Gains and losses resulting from fair value adjustments to the Cap are recorded within accumulated other comprehensive income within the Company’s consolidated balance sheet and reclassified to interest expense on the dates that interest payments become due. Cash flows related to the derivative contracts are included in cash flows from operating activities on the consolidated statements of cash flows. Over the next 12 months, the Company expects any gains or losses for cash flow hedges amortized from accumulated other comprehensive income (loss) into earnings to have an immaterial impact on the Company’s consolidated financial statements.

The following table presents the amount of unrealized gain or loss and related tax impact associated with the derivative instruments that the Company recorded in its consolidated statements of operations and comprehensive income (loss):
Year Ended December 31,
202320222021
(In thousands)
Unrealized gain (loss), net of tax
$(17,598)$58,668 $10,408 
Tax benefit (expense)
$5,379 $(17,834)$(3,316)
v3.24.0.1
Stock-Based Compensation
12 Months Ended
Dec. 31, 2023
Share-Based Payment Arrangement [Abstract]  
Stock-Based Compensation
9. Stock-Based Compensation

In May 2023, the Company’s stockholders approved the amendment and restatement of the Company’s 2015 Equity Incentive Plan (as so amended and restated, the “Amended 2015 Plan”). As of December 31, 2023, the remaining aggregate number of shares of the Company’s common stock available for future grants under the Amended 2015 Plan was 12,917,165. The Amended 2015 Plan provides for the grant of stock-based awards, including nonqualified stock options, incentive stock options, restricted stock, restricted stock units (“RSUs”), stock appreciation rights and other equity securities to employees, consultants and non-employee directors of the Company and its affiliated entities. The number of shares of common stock available for issuance under the Amended 2015 Plan is reduced by (i) one share for each share of common stock issued pursuant to an appreciation award, such as a stock option or stock appreciation right with an exercise or strike price of at least 100% of the fair market value of the underlying common stock on the date of grant, and (ii) 1.8 shares for each share of common stock issued pursuant to any stock award that is not an appreciation award, also referred to as a “full value award.” The Amended 2015 Plan allows the Company to utilize a broad array of equity incentives and performance cash incentives in order to secure and retain the services of its employees, directors and consultants, and to provide long-term incentives that align the interests of its employees, directors and consultants with the interests of the Company’s stockholders. The Company accounts for stock-based compensation at estimated fair value.
Restricted Stock Units
Each RSU represents the right to receive one share of common stock at a future date. Historically, RSUs granted to employees for service generally vested over four years, with 25% vesting on the first anniversary of the grant date and the remainder vesting ratably on a quarterly basis thereafter, subject to continued employment. Beginning with grants made in 2024, RSUs granted to employees for service will generally vest over three years, with 34% vesting on the first anniversary of the grant date and the remainder vesting ratably on a quarterly basis thereafter, subject to continued employment. Some RSUs granted to employees for performance vest upon the completion of defined performance goals, subject to continued employment. The RSUs granted to non-employee directors generally vest in full on the first anniversary of the grant date. The RSUs granted to non-employee consultants generally vest 50% on the first anniversary of the grant date, with the remaining 50% vesting quarterly thereafter through the second anniversary of the grant date. The Company’s RSUs are classified as equity awards because the RSUs will be settled in the Company’s common stock upon vesting. The fair value of RSUs is determined at the grant date based on the closing price of the Company’s common stock on the date of grant. The related compensation expense is recognized over the service period, or shorter periods based on the retirement eligibility of certain grantees, and is based on the grant date fair value of the Company’s common stock and the number of shares expected to vest. The fair value of the awards is not remeasured at the end of each reporting period. RSUs do not carry voting rights until the RSUs are vested, but certain unvested RSUs are entitled to accrue dividends, and shares are issued upon settlement in accordance with the terms of the award.
RSU Summary
The following table summarizes the Company’s RSU activity:
RSUsWeighted-
Average
Grant Date
Fair Value
Per RSU
 (In thousands) 
Outstanding at December 31, 2020
2,664 $18.96 
Granted913 $41.55 
Forfeited(115)$29.49 
Released(912)$21.12 
Outstanding at December 31, 2021
2,550 $25.80 
Granted1,562 $40.21 
Forfeited(152)$32.80 
Released(990)$30.05 
Outstanding at December 31, 2022
2,970 $31.60 
Granted1,184 $57.85 
Forfeited(76)$46.02 
Released(1,283)$36.02 
Outstanding at December 31, 20232,795 $40.24 
Vested and unreleased at December 31, 2023 (1)
713  
 
(1)     These RSUs were granted to the Company’s board of directors as a part of their compensation for board and committee service and had vested but had not yet settled, meaning that the underlying shares of common stock had not been issued and released.

As of December 31, 2023, the total unrecognized cost related to non-vested RSUs was approximately $42.6 million. This cost is expected to be recognized over a weighted-average period of 1.4 years. The Company recognized $57.5 million, $43.2 million and $26.0 million of stock-based compensation expense related to RSUs in the years ended December 31, 2023, 2022 and 2021, respectively.
Service-Based RSU Awards
The majority of the annual compensation the Company provides to non-employee members of its board of directors is paid in the form of RSUs. In addition, some members of the Company’s board of directors elect to receive their cash retainers, or a portion thereof, in the form of RSUs. An aggregate amount of approximately 55,000, 57,000 and 39,000 service-based RSUs were granted to the Company’s non-employee directors as a result of these payments and elections during the years ended December 31, 2023, 2022 and 2021, respectively, with an estimated grant date fair value of $2.9 million, $2.2 million and $1.6 million, respectively.
During the years ended December 31, 2023, 2022 and 2021, the Company granted approximately 746,000, 1,082,000 and 531,000 service-based RSUs, respectively, to its employees, with an estimated aggregate grant date fair value of $43.0 million, $44.2 million and $22.0 million, respectively.
During the years ended December 31, 2023, 2022 and 2021, the Company granted approximately 1,000, 7,000 and 2,000 service-based RSUs, respectively, to non-employee consultants, with an estimated grant date fair value of $0.1 million, $0.3 million and $0.1 million, respectively.
Performance-Based RSU Awards
In March 2023, 2022 and 2021, the Company awarded approximately 193,000, 248,000 and 228,000 performance-based RSUs, respectively, to the Company’s executives and employees (the “Bonus RSUs”), with an estimated grant date fair value of $11.9 million, $9.7 million and $9.5 million, respectively. Vesting of the Bonus RSUs is and was dependent upon the Company’s achievement of defined performance goals for the respective fiscal year in which the Bonus RSUs were granted. The Company
records stock-based compensation expense related to performance-based RSUs when it is considered probable that the performance conditions will be met. Management believes it is probable that substantially all of the 2023 Bonus RSUs will vest. The level of achievement, if any, of performance goals will be determined by the compensation committee of the Company’s board of directors and, if such goals are achieved, the 2023 Bonus RSUs will vest, subject to continued employment, in March 2024. Substantially all of the Bonus RSUs awarded in 2022 and 2021 vested in March 2023 and March 2022, respectively, upon the determination of the level of achievement of the respective performance goals.
Additionally, during 2023, 2022 and 2021, the Company awarded approximately 134,000, 167,000 and 110,000 performance-based RSUs, respectively, to the Company’s executives (the “Executive RSUs”). The estimated aggregate grant date fair value of the Executive RSUs for the 2023, 2022 and 2021 grants was $8.2 million, $6.5 million and $4.6 million, respectively. Vesting of the Executive RSUs is and was dependent upon the Company’s achievement of defined performance goals over a two-year period (the year of grant and the following year). The vesting of Executive RSUs will ultimately range from 0% to 150% of the number of shares underlying the Executive RSUs granted based on the level of achievement of the performance goals.
If the Company achieves the performance goals for the Executive RSUs at the end of the two-year performance period, 50% of the number of Executive RSUs earned based on performance will then vest on the second anniversary of the grant date, and the remaining 50% will then vest on the third anniversary of the grant date, in each case subject to the executive’s continued service as of the vesting date. In March 2023, the Company awarded approximately 55,000 additional shares related to performance-based RSUs granted to the Company’s executives for over-achievement of performance targets for the Executive RSUs with a performance period that ended December 31, 2022. In March 2022, the Company cancelled approximately 50,000 shares related to performance-based RSUs granted to the Company’s executives in 2020 for under-achievement of performance targets for the performance period that ended December 31, 2021. In March 2021, the Company awarded approximately 3,000 additional shares related to performance-based RSUs granted to the Company’s executives in 2019 for over-achievement of performance targets for the performance period that ended December 31, 2020.
Stock Option Awards
The Company last granted stock options in 2019. The stock option awards granted to employees generally (i) have a term of ten years, (ii) vest over four years with 25% vesting after the first year of service and the remainder vesting ratably on a quarterly basis thereafter, (iii) are contingent upon employment on the vesting date, and (iv) have an exercise price equal to the fair market value of the underlying shares at the date of grant. The fair value of stock options was determined at the grant date using the Black-Scholes-Merton option pricing model.

The following table summarizes the Company’s stock option award activity:
SharesWeighted-
Average
Exercise Price
Per Share
Weighted-
Average
Remaining
Contractual
Term (Years)
Aggregate
Intrinsic
Value
 (In thousands, except years and per share data)
Options outstanding at December 31, 2020
2,554 $9.10 3.94$77,182 
Cancelled or expired(3)10.67 
Exercised(857)8.51 $31,544 
Forfeited(13)16.07 
Options outstanding at December 31, 2021
1,681 $9.35 3.28$53,698 
Cancelled or expired(1)8.28 
Exercised(494)7.83 $18,992 
Forfeited(1)18.35 
Options outstanding at December 31, 2022
1,185 $9.97 2.64$49,094 
Cancelled or expired(4)10.25 
Exercised(505)7.84 $26,928 
Options outstanding and exercisable at December 31, 2023
676 $11.55 2.39$20,036 
The total fair value of the shares underlying stock options that vested during the years ended December 31, 2022 and 2021 was $0.6 million and $2.3 million, respectively. The total fair value of the shares underlying stock options that vested during the year ended December 31, 2023 was immaterial.
v3.24.0.1
Equity Transactions
12 Months Ended
Dec. 31, 2023
Stockholders' Equity Note [Abstract]  
Equity Transactions Equity Transactions
Preferred Stock

The Company is authorized to issue 2.0 million shares of preferred stock with a par value of $0.0001 per share. The Company previously issued 1.5 million shares of preferred stock. The remaining 0.5 million authorized shares of preferred stock remain undesignated and unissued as of December 31, 2023 and 2022. As of December 31, 2023 and 2022, there were no outstanding shares of preferred stock, as all previously designated and issued preferred stock was converted into common stock in prior periods.

Dividends

Stockholders are entitled to receive, when and if declared by the Company’s Board of Directors from time to time, such dividends and other distributions in cash, stock or property from the Company’s assets or funds legally and contractually available for such purposes. In each of December 2022, May 2023, September 2023 and December 2023, the Company’s Board of Directors approved a dividend of $0.13 per share of common stock. The dividends, which were paid on March 30, June 30, September 29 and December 29, 2023 to stockholders of record as of March 15, June 15, September 15 and December 15, 2023, respectively, resulted in total payments of $64.8 million during 2023. The Company’s liability related to dividends on common stock was $1.3 million and $16.6 million as of December 31, 2023 and 2022, respectively.

Share Repurchase Program

Since February 2021, the Company’s Board of Directors has authorized the repurchase of up to $1,000.0 million of the Company’s common stock through December 31, 2025. This time frame can be extended or shortened by the Board of Directors. Repurchases may be made from time to time on the open market at prevailing prices or in negotiated transactions off the market. The Company records share repurchases at cost, which includes broker commissions and related excise taxes. All shares are immediately retired upon repurchase in accordance with the board-approved policy. When treasury shares are retired, the Company’s policy is to allocate the excess of the repurchase price over the par value of shares acquired first, to additional paid-in capital, and then to retained earnings/accumulated deficit. The portion to be allocated to additional paid-in capital is calculated by applying a percentage, determined by dividing the number of shares to be retired by the number of shares outstanding, to the balance of additional paid-in capital as of the date of retirement.
The Company repurchased and subsequently retired 4.8 million, 6.8 million and 4.3 million shares of its common stock during the years ended December 31, 2023, 2022 and 2021, respectively, for a total purchase price of $244.6 million, $257.0 million and $163.4 million, respectively, exclusive of $1.4 million of excise taxes incurred in the year ended December 31, 2023, with no such taxes incurred in the years ended December 31, 2022 and 2021, respectively. In addition, in December 2023, the Company purchased 26,000 shares for $1.0 million, which were settled and retired in January 2024. As such, these shares are recorded as treasury stock as of December 31, 2023. As of December 31, 2023, $334.0 million remained available and authorized for repurchase under this program.
v3.24.0.1
Revenue (Notes)
12 Months Ended
Dec. 31, 2023
Revenue from Contract with Customer [Abstract]  
Revenue from Contract with Customer [Text Block] Revenue
The following table summarizes the Company’s services revenue:
 Year Ended December 31,
 202320222021
 (In thousands)
Commercial services:
Voice and data$219,242 $193,112 $175,584 
IoT data141,036 125,015 110,919 
Broadband57,878 51,143 42,990 
Hosted payload and other data60,298 59,451 58,611 
Total commercial services478,454 428,721 388,104 
Government services106,000 106,000 103,887 
Total services$584,454 $534,721 $491,991 


The following table summarizes the Company’s engineering and support services revenue:
 Year Ended December 31,
 202320222021
 (In thousands)
Commercial$11,050 $7,833 $4,613 
Government90,083 43,766 25,825 
Total$101,133 $51,599 $30,438 

The Company’s contracts with customers generally do not contain performance obligations with terms in excess of one year. As such, the Company does not disclose details related to the value of performance obligations that are unsatisfied as of the end of the reporting period. The total value of any performance obligations that extend beyond a year is immaterial to the financial statements. The timing of revenue recognition, billings and cash collections results in billed accounts receivable, unbilled receivables (contract assets), and deferred revenue (contract liabilities) on the consolidated balance sheets. The Company bills amounts under its agreed-upon contractual terms at periodic intervals (for services), upon shipment (for equipment), or upon achievement of contractual milestones or as work progresses (for engineering and support services). Billing may occur subsequent to revenue recognition, resulting in unbilled accounts receivable (contract assets). The Company may also receive payments from customers before revenue is recognized, resulting in deferred revenue (contract liabilities). The Company recognized revenue that was previously recorded as deferred revenue in the amounts of $31.4 million, $26.3 million and $43.0 million for the years ended December 31, 2023, 2022 and 2021, respectively. The Company has also recorded costs of obtaining contracts expected to be recovered in prepaid expenses and other current assets (contract assets or commissions), that are not separately disclosed on the consolidated balance sheets. The commissions are recognized over the estimated usage period. The following table presents contract assets not separately disclosed:
Year Ended December 31,
20232022
(In thousands)
Contract Assets:
Commissions$1,114 $1,258 
Other contract costs$1,970 $2,255 
v3.24.0.1
Income Taxes
12 Months Ended
Dec. 31, 2023
Income Tax Disclosure [Abstract]  
Income Taxes Income Taxes
The following table presents U.S. and foreign components of income (loss) before income taxes:
 Year Ended December 31,
 202320222021
  (In thousands) 
U.S. income (loss)$(10,596)$10,179 $(31,352)
Foreign income5,849 331 2,464 
Total income (loss) before income taxes$(4,747)$10,510 $(28,888)
 
The following table summarizes the components of the Company’s income tax provision:
 Year Ended December 31,
 202320222021
  (In thousands) 
Current taxes:
Federal tax benefit$— $— $(537)
State tax expense 1,032 272 42 
Foreign tax expense4,545 1,209 2,240 
Total current tax (benefit) expense5,577 1,481 1,745 
Deferred taxes:
Federal tax benefit(31,311)(3,354)(14,109)
State tax expense (benefit)(226)1,794 (6,686)
Foreign tax expense (benefit)(291)371 (519)
Total deferred tax benefit(31,828)(1,189)(21,314)
Total income tax expense (benefit)$(26,251)$292 $(19,569)

The following table presents a reconciliation of the U.S. federal statutory income tax expense to the Company’s effective income tax provision. Any amounts that do not have a meaningful impact on this reconciliation are not separately disclosed.

 Year Ended December 31,
 202320222021
  (In thousands) 
Expected tax expense (benefit) at U.S. federal statutory tax rate
$(997)$1,893 $(6,067)
State taxes, net of federal benefit927 1,260 (9,094)
State tax valuation allowance(338)748 711 
Deferred impact of state tax law changes and elections— — 1,200 
Equity-based compensation(10,234)(6,184)(9,597)
Limitation on executive compensation deduction4,011 2,905 3,140 
Other nondeductible items114 33 65 
Tax credits(21,817)(949)(1,278)
Foreign taxes3,570 386 1,100 
Other adjustments(1,487)200 251 
Total income tax expense (benefit)$(26,251)$292 $(19,569)
The following table presents the components of deferred tax assets and liabilities:
 December 31,
 20232022
 (In thousands)
Deferred tax assets
Long-term contracts$51,226 $52,553 
Federal, state and foreign net operating losses, other carryforwards and tax credits
351,094 374,767 
Other26,676 24,553 
Total deferred tax assets428,996 451,873 
Valuation allowance(33,420)(34,643)
Net deferred tax assets395,576 417,230 
Deferred tax liabilities
Fixed assets, intangibles and research and development expenditures(425,980)(490,384)
Investment in joint venture(63,108)(48,754)
Other(19,336)(27,976)
Total deferred tax liabilities(508,424)(567,114)
Net deferred income tax liabilities$(112,848)$(149,884)

Pursuant to ASC 740, the Company nets deferred tax assets and liabilities within the same jurisdiction. As of December 31, 2023, the Company had a net deferred tax asset of $1.8 million that is included in other assets on the balance sheet and a net deferred tax liability of $114.6 million.

The Company recognizes valuation allowances to reduce deferred tax assets to the amount that is more likely than not to be realized. In assessing the likelihood of realization, management considers: (i) future reversals of existing taxable temporary differences; (ii) future taxable income exclusive of reversing temporary differences and carryforwards; (iii) taxable income in prior carryback year(s) if carryback is permitted under applicable tax law; and (iv) tax planning strategies.

The Company had deferred tax assets related to cumulative U.S. federal net operating loss carryforwards and interest expense carryforwards of approximately $257.4 million and $296.4 million as of December 31, 2023 and 2022, respectively. The 2017 U.S. federal net operating loss carryforward, if not utilized, will expire in 2037. The Company believes that the 2017 U.S. federal net operating losses will be utilized before the expiration date and, as such, no valuation allowance has been established for this deferred tax asset. U.S. federal net operating loss carryforwards for 2018 and thereafter and interest expense carryforwards do not expire. The Company had deferred tax assets related to the state net operating loss carryforwards of approximately $59.2 million and $60.0 million as of December 31, 2023 and 2022, respectively, some of which expire as early as 2025. The Company does not expect to fully utilize all of its state net operating losses within the respective carryforward periods and as such reflects a partial valuation allowance of $33.0 million and $33.3 million as of December 31, 2023 and 2022, respectively, against these deferred tax assets on its consolidated balance sheets. The Company had deferred tax assets related to the foreign net operating loss carryforwards of approximately $0.5 million and $0.7 million, as of December 31, 2023 and 2022, respectively, that do not expire. The Company does not expect to fully utilize all of its foreign net operating losses within the carryforward periods. As such, the Company had recorded a partial valuation allowance of $0.2 million and $0.4 million as of December 31, 2023 and 2022, respectively, against these deferred tax assets on its consolidated balance sheets. The timing and manner in which the Company will utilize the net operating loss carryforwards in any year, or in total, may be limited in the future as a result of changes in the Company’s ownership and any limitations imposed by the jurisdictions in which the Company operates.

The Company had approximately $32.3 million and $12.1 million of deferred tax assets related to research and development tax credits as of December 31, 2023 and 2022, respectively, that expire in various amounts from 2029 through 2043. As of December 31, 2023, the Company established a reserve of approximately $2.4 million on its estimate of R&D credits. The Company had approximately $8.7 million and $5.2 million of deferred tax assets related to foreign tax credits as of December 31, 2023 and 2022, respectively, that expire in various amounts through 2033. Previously, the Company did not expect to utilize all of its foreign tax credits, resulting in the Company recording a partial valuation allowance of $0.5 million as of December 31, 2022. There is no valuation allowance on foreign tax credits as of December 31, 2023.
The Company has provided for U.S. income taxes on all undistributed earnings of its significant foreign subsidiaries since the
Company does not indefinitely reinvest these undistributed earnings. The Company measures deferred tax assets and liabilities
using tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be
recovered or settled. The Company recognizes the effect on deferred tax assets and liabilities of a change in tax rates in income
in the period that includes the enactment date.

Uncertain Income Tax Positions

The Company is subject to income taxes in the U.S. and various state and foreign jurisdictions. Significant judgment is required
in evaluating tax positions and determining the provision for income taxes. The Company establishes liabilities for tax-related
uncertainties based on estimates of whether, and the extent to which, additional taxes may be due. These liabilities are
established when the Company believes that certain positions might be challenged despite its belief that its tax return positions
are fully supportable. The Company adjusts these liabilities in light of changing facts and circumstances, such as the outcome of
a tax audit. The provision for income taxes includes the impact of changes to these liabilities.

The Company had unrecognized tax benefits of approximately $2.4 million as of December 31, 2023 primarily due to additional U.S. tax credits from prior periods. There were no unrecognized tax benefits as of December 31, 2022. Any changes in the next twelve months are not anticipated to have a significant impact on the results of operations, financial position or cash flows of the Company. The Company has elected an accounting policy to classify interest and penalties related to unrecognized tax benefits as a component of income tax expense. As of December 31, 2023 and 2022, there were no interest and penalties on unrecognized tax benefits. The following is a tabular reconciliation of the total amounts of unrecognized tax benefits which includes related interest and penalties:

 Year Ended December 31,
 20232022
 (In thousands)
Balance at January 1,$— $— 
Change attributable to tax positions taken in a prior period2,162 — 
Change attributable to tax positions taken in the current period236 — 
Balance at December 31,$2,398 $— 

The Company is subject to tax audits in all jurisdictions for which it files tax returns. Tax audits by their very nature are often complex and can require several years to complete. Currently, there are no U.S. federal, state or foreign jurisdiction tax audits pending. The Company’s corporate U.S. federal and state tax returns from 2011 to 2022 remain subject to examination by tax authorities and the Company’s foreign tax returns from 2017 to 2022 remain subject to examination by tax authorities.
v3.24.0.1
Net Income (Loss) Per Share
12 Months Ended
Dec. 31, 2023
Earnings Per Share [Abstract]  
Net Income (Loss) Per Share Net Income (Loss) Per Share
The Company calculates basic net income (loss) per common share by dividing net income (loss) attributable to common stockholders by the weighted-average number of shares of common stock outstanding during the period. In periods of net income, diluted net income per share takes into account the effect of potentially dilutive common shares when the effect is dilutive. Potentially dilutive common shares include (i) shares of common stock issuable upon exercise of outstanding stock options and (ii) shares underlying RSUs that are contingently issuable upon achievement of certain service and performance requirements. The effect of potentially dilutive common shares is computed using the treasury stock method.

The following table summarizes the computations of basic and diluted net loss per common share:

 Year Ended December 31,
 202320222021
 (In thousands, except per share data)
Numerator:
Net income (loss) attributable to common stockholders - basic and diluted$15,415 $8,722 $(9,319)
Denominator:
Weighted average common shares - basic125,598 128,255 133,530 
Weighted average common shares - diluted127,215 130,134 133,530 
Net income (loss) attributable to common stockholders per share - basic and diluted
$0.12 $0.07 $(0.07)

For the year ended December 31, 2022, 0.2 million unvested service-based RSUs were excluded from the computation of basic net income per share and not included in the computation of diluted net income per share, as the effect would be anti-dilutive, and 0.2 million unvested performance-based RSUs were not included in the computation of basic and diluted net income per share, as certain performance criteria have not been satisfied. There were no such shares for the year ended December 31, 2023.
Due to the Company’s net loss position for the year ended December 31, 2021 all potential common stock equivalents were anti-dilutive and therefore excluded from the calculation of diluted net loss per share.
The following table presents the incremental number of shares underlying stock options and RSUs outstanding with anti-dilutive effects:
Year Ended December 31,
202320222021
(In thousands)
Performance-based RSUs— 210 183 
Service-based RSUs— — 536 
Stock options— — 1,189 
v3.24.0.1
Related Party Transaction Disclosure Related Party Transactions
12 Months Ended
Dec. 31, 2023
Related Party Transactions [Abstract]  
Related Party Transactions Disclosure Related Party Transactions
Aireon LLC and Aireon Holdings LLC

The Company’s satellite constellation hosts the Aireon® system. The Aireon system was developed by Aireon LLC, which the Company formed in 2011 and which received subsequent investments from several air navigation service providers (“ANSPs”) to provide a global air traffic surveillance service through a series of automatic dependent surveillance-broadcast (“ADS-B”) receivers on the Company’s satellites. Aireon has contracted to offer this service to ANSPs, which use the service to provide improved air traffic control services over the oceans, as well as polar and remote regions. Aireon also markets its data and services to airlines and other commercial users. The Company and the other Aireon investors hold their interests in Aireon Holdings LLC (“Aireon Holdings”) through an amended and restated LLC agreement (the “Aireon Holdings LLC Agreement”). Aireon Holdings holds 100% of the membership interests in Aireon, which is the operating entity.

In June 2022, the Company entered into a subscription agreement with Aireon Holdings and invested $50.0 million in exchange for an approximate 6% preferred membership interest. The Company’s investment in Aireon Holdings is accounted for as an equity method investment. The carrying value of the Company’s investment in Aireon Holdings was $44.6 million and $48.8 million as of December 31, 2023 and 2022, respectively. The investments by the Company prior to June 2022 had previously been written down to a carrying value of zero.

At each of December 31, 2023 and 2022, the Company’s fully diluted ownership stake in Aireon Holdings was approximately 39.5%, which is subject to partial future redemption under provisions contained in the Aireon Holdings LLC Agreement.

Under the agreements with Aireon, Aireon will pay the Company fees of $200.0 million to host the ADS-B receivers, of which $94.5 million had been paid as of December 31, 2023. These fees are recognized over the estimated useful lives of the satellites, which is expected to result in revenue of approximately $9.3 million, following the change in estimate of the useful lives of the satellites that occurred in the fourth quarter of 2023. The Company recognized $14.4 million of hosting fee revenue under the Hosting Agreement for the year ended December 31, 2023 and $16.1 million of hosting fee revenue for the years ended December 31, 2022 and 2021. There were no receivables due under the Hosting Agreement as of December 31, 2023 and 2022.

Additionally, Aireon pays power and data services fees of approximately $23.5 million per year, in the aggregate for the delivery of the air traffic surveillance data over the Iridium system. The Company recorded $23.5 million of power and data service fee revenue from Aireon for each of the years ended December 31, 2023, 2022 and 2021.

During the year ended December 31, 2023, the Company recorded other income of $3.5 million related to a contractual settlement with Aireon. This is a one-time payment that is not expected to recur.

Under two services agreements, the Company also provides Aireon with administrative services and support services, the fees for which are paid monthly. Aireon receivables due to the Company under these two agreements totaled $2.2 million at each of December 31, 2023 and 2022.

The Company and the other Aireon investors have agreed to participate pro rata, based on their respective fully diluted ownership stakes, in funding an investor bridge loan to Aireon. The Company’s maximum commitment under the investor bridge loan is $11.9 million. No bridge loan amounts were outstanding as of December 31, 2023 or 2022.

Satelles
In the first quarter of 2023, the Company entered into a stock purchase agreement with Satelles, Inc. (“Satelles”) and invested $10.0 million, in addition to its previous equity investment in Satelles. The Company’s fully diluted ownership stake in Satelles was approximately 19.5% as of December 31, 2023, and the investment in Satelles is now accounted for as an equity method investment. The carrying value of the Company’s investment in Satelles was approximately $21.8 million as of December 31, 2023.
v3.24.0.1
Segments, Significant Customers, Supplier and Service Providers and Geographic Information
12 Months Ended
Dec. 31, 2023
Segments, Geographical Areas [Abstract]  
Segments, significant customers, supplier and service providers and geographic information Segments, Significant Customers, Supplier and Service Providers and Geographic Information
The Company operates in one business segment, providing global satellite communications services and products.

The Company derived approximately 25%, 21% and 21% of its total revenue in the years ended December 31, 2023, 2022 and 2021, respectively, from prime contracts or subcontracts with agencies of the U.S. government. For the years ended December 31, 2023, 2022 and 2021, no single commercial customer accounted for more than 10% of the Company’s total revenue.

Approximately 46% and 25% of the Company’s accounts receivable balance at December 31, 2023 and 2022, respectively, was due from prime contracts or subcontracts with agencies of the U.S. government. As of December 31, 2023 and 2022, no single commercial customer accounted for more than 10% of the Company’s total accounts receivable balance.

The Company contracts for the manufacture of its subscriber equipment primarily from a limited number of manufacturers and utilizes other sole source suppliers for certain component parts of its devices. Should events or circumstances prevent the manufacturer or the suppliers from producing the equipment or component parts, the Company’s business could be adversely affected until the Company is able to move production to other facilities of the manufacturer or secure a replacement manufacturer or an alternative supplier for such component parts.
The following table summarizes net property and equipment by geographic area:
December 31,
 20232022
 (In thousands)
United States$412,002 $461,820 
Satellites in orbit1,782,000 1,968,999 
All others1,756 2,486 
Total$2,195,758 $2,433,305 

The following table summarizes revenue by geographic area:
Year Ended December 31,
 202320222021
  (In thousands) 
United States$431,476 $374,687 $330,948 
Other countries (1)
359,247 346,347 283,552 
Total$790,723 $721,034 $614,500 
 
(1)No single country in this group represented more than 10% of revenue.

Revenue is attributed to geographic area based on the billing address of the distributor. Service location and the billing address are often not the same. The Company’s distributors sell services directly or indirectly to end users, who may be located or use the Company’s products and services elsewhere. The Company does not know the geographical distribution of end users because it does not contract directly with them.

The Company is exposed to foreign currency exchange fluctuations from sales made and costs incurred in foreign currencies.
v3.24.0.1
Employee Benefit Plan
12 Months Ended
Dec. 31, 2023
Retirement Benefits [Abstract]  
Employee Benefit Plan Employee Benefit Plan
The Company sponsors a defined-contribution 401(k) retirement plan (the “Plan”) that covers all employees. Employees are eligible to participate in the Plan on the first day of the month following the date of hire, and participants are 100% vested from the date of eligibility. The Company matches employees’ contributions equal to 100% of the salary deferral contributions up to 5% of the employees’ eligible compensation each pay period. The Company’s matching contributions to the Plan were $4.3 million, $3.5 million and $3.5 million for the years ended December 31, 2023, 2022 and 2021, respectively.
v3.24.0.1
Subsequent Events
2 Months Ended
Feb. 15, 2024
Subsequent Events [Abstract]  
Subsequent Events [Text Block] Subsequent Event
On February 2, 2024, the Company’s Board of Directors approved a dividend of $0.13 per share payable on March 29, 2024, to stockholders of record as of March 15, 2024.
v3.24.0.1
Significant Accounting Policies and Basis of Presentation (Policies)
12 Months Ended
Dec. 31, 2023
Accounting Policies [Abstract]  
Principles of Consolidation and Basis of Presentation
Principles of Consolidation and Basis of Presentation

The Company has prepared the consolidated financial statements in accordance with accounting principles generally accepted in the United States (“U.S. GAAP”). The accompanying consolidated financial statements include the accounts of (i) the Company, (ii) its wholly owned subsidiaries, and (iii) all less than wholly owned subsidiaries that the Company controls. All material intercompany transactions and balances have been eliminated. The Company has reclassified certain items in the consolidated financial statements for the prior periods to be comparable with the classification for the year ended December 31, 2023. These reclassifications had no effect on previously reported net income (loss).
Use of Estimates
Use of Estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the financial statements and the reported amounts of income and expenses during the reporting period. On an ongoing basis, the Company evaluates its estimates and assumptions, including those related to revenue recognition, the useful lives and recoverability of long-lived and intangible assets, income taxes, stock-based compensation, the incremental borrowing rate for its leases, and contingencies, among others. The Company bases these estimates on historical and anticipated results, trends, and various other assumptions that it believes are reasonable, including assumptions as to future events. These estimates form the basis for making judgments about the carrying values of assets and liabilities and recorded revenues and expenses. Actual results could differ materially from those estimates.
Adopted Accounting Pronouncements
Recent Accounting Pronouncements Not Yet Adopted

In November 2023, the Financial Accounting Standards Board (“FASB”) issued ASU No. 2023-07, Segment Reporting (Topic 280): Improvements to Reportable Segment Disclosures (“ASU 2023-07”). This guidance improves reportable segment disclosure requirements, primarily through enhanced disclosures about significant segment expenses. The Company intends to apply the new guidance effective for the year ending December 31, 2024, as required. The Company is assessing the potential effects of the standard but has not yet completed its review of the impact of this guidance.

In December 2023, the FASB issued ASU No. 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures (“ASU 2023-09”). The amendments in ASU 2023-09 address investor requests for more transparency about income tax information through improvements to income tax disclosures primarily related to the rate reconciliation and income taxes paid information. The Company intends to apply the new guidance effective for the year ending December 31, 2025, as required. The Company is currently evaluating the effect ASU 2023-09 may have on its consolidated financial statements and related disclosures.
Fair Value Measurements
Fair Value Measurements

The Company evaluates assets and liabilities subject to fair value measurements on a recurring and non-recurring basis to determine the appropriate level to classify them for each reporting period. Fair value is the price that would be received from the sale of an asset or paid to transfer a liability assuming an orderly transaction in the most advantageous market at the measurement date. U.S. GAAP establishes a hierarchical disclosure framework which prioritizes and ranks the level of observability of inputs used in measuring fair value.
The fair value hierarchy consists of the following tiers:
Level 1, defined as observable inputs such as quoted prices in active markets for identical assets or liabilities;
Level 2, defined as observable inputs other than Level 1 prices such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities; and
Level 3, defined as unobservable inputs in which little or no market data exists, therefore requiring an entity to develop its own assumptions.

The fair value estimates are based upon certain market assumptions and information available to the Company. The carrying values of the following financial instruments approximated their fair values as of December 31, 2023 and 2022: cash and cash equivalents, prepaid expenses and other current assets, accounts receivable, accounts payable, and accrued expenses and other current liabilities. Fair values approximate their carrying values because of their short-term nature. The Level 2 cash equivalents include money market funds, commercial paper and short-term U.S. agency securities. The Company also classifies its derivative financial instruments as Level 2. In determining fair value of Level 2 assets, the Company uses a market approach utilizing valuation models that incorporate observable inputs such as interest rates, bond yields and quoted prices for similar assets.
Lessee, Leases [Policy Text Block]
Leases

For new leases, the Company determines if an arrangement is or contains a lease at inception. Leases are included as right-of-use (“ROU”) assets within other assets and ROU liabilities within accrued expenses and other liabilities and within other long-term liabilities on the Company’s consolidated balance sheets.

ROU assets and liabilities are recognized at commencement date based on the present value of lease payments over the lease term. Certain leases contain variable contractual obligations as a result of future base rate escalations which are estimated based on observed trends and included within the measurement of present value. The Company’s leases do not provide an implicit rate. The Company uses its incremental borrowing rate based on the information available at commencement date in determining the present value of lease payments. The ROU asset also includes any lease payments made and excludes lease incentives. Lease expense for lease payments is recognized on a straight-line basis over the lease term.

The Company has lease agreements with lease and non-lease components, which are generally accounted for separately. For certain leases, such as teleport network facilities, the Company elected the practical expedient to combine lease and non-lease components as a single lease component. Taxes assessed on leases in which the Company is either a lessor or lessee are excluded from contract consideration and variable payments when measuring new lease contracts or remeasuring existing lease contracts.
Concentrations of Credit Risk
Concentrations of Credit Risk
Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of cash and cash equivalents and receivables. The majority of cash is invested into a money market fund with U.S. treasuries, agency mortgage backed securities and/or U.S. government guaranteed debt. While the Company maintains its cash and cash equivalents with financial institutions with high credit ratings, it often maintains those deposits in federally insured financial institutions in excess of federally insured limits. The Company performs credit evaluations of its customers’ financial condition and records reserves to provide for estimated credit losses. Accounts receivable are due from both domestic and international customers.
Cash and Cash Equivalents
Cash and Cash Equivalents
The Company considers all highly liquid investments with original maturities of ninety days or less to be cash equivalents. These investments, along with cash deposited in institutional money market funds, regular interest bearing depository accounts and non-interest bearing depository accounts, are classified as cash and cash equivalents on the accompanying consolidated balance sheets.
Investment, Policy
Investments
Investments where the Company has the ability to exercise significant influence, but does not control, are accounted for under the equity method of accounting and are included in Equity Method Investments on the Company’s consolidated balance sheets. Significant influence typically exists if the Company’s has a 20% to 50% ownership interest in the investee. Under this method of accounting, the Company’s share of the net earnings (losses) of the investee is included in loss on equity method investments on the consolidated statement of operations and comprehensive income (loss).
Investments where the Company has less than 20% ownership interest in the investee and lacks the ability to exercise significant influence are accounted for under ASC 321-10-35, Investments - Equity Securities. Under this topic, the Company’s investment equals its cost, less impairment, if any. For investments without a readily determinable fair value, the Company performs a qualitative assessment to determine if any impairment indicator is present. If an indicator is present, the Company determines whether fair value was less than the investment’s carrying value. If the fair value is less than its carrying value or if there is an observable price change through a similar security from the same issuer, the Company would record an impairment charge.
Accounts Receivable
Accounts Receivable
Trade accounts receivable are recorded at the invoiced amount and are subject to late fee penalties. Management develops its estimate of an allowance for uncollectible receivables based on the Company’s experience with specific customers, aging of outstanding invoices, its understanding of customers’ current economic circumstances and its own judgment as to the likelihood that the Company will ultimately receive payment. The Company writes off its accounts receivable when balances ultimately are deemed uncollectible.
Foreign Currencies
Foreign Currencies
Generally, the functional currency of the Company’s foreign consolidated subsidiaries is the local currency. Assets and liabilities of its foreign subsidiaries are translated to U.S. dollars based on exchange rates at the end of the reporting period. Income and expense items are translated at the weighted-average exchange rates prevailing during the reporting period. Translation adjustments are accumulated in a separate component of stockholders’ equity. Transaction gains or losses are classified as other income (expense), net in the accompanying consolidated statements of operations and comprehensive income (loss). In instances where the financial statements of a foreign entity in a highly inflationary economy are material, they are remeasured as if the functional currency were the reporting currency. In these instances, the financial statements of those entities are remeasured into the reporting currency. A highly inflationary economy is one that has cumulative inflation of approximately 100% or more over a three-year period.
Deferred Financing Costs
Deferred Financing Costs
Direct and incremental costs incurred in connection with securing debt financing are deferred and are amortized as additional interest expense using the effective interest method over the term of the related debt.
Capitalized Interest
Capitalized Interest
During the development and construction periods of a project, such as the financing of the Company’s current satellite constellation, the Company capitalizes interest. Capitalization ceases when the asset is ready for its intended use or when these activities are substantially suspended. If some portions of a project are substantially complete and ready for use and other portions have not yet reached that stage, the Company ceases capitalizing costs on the completed portion of the project but continues to capitalize for the incomplete portion of the project.
Inventory
Inventory

Inventory consists primarily of finished goods, although the Company also maintains an inventory of raw materials from third-party manufacturers. The Company outsources manufacturing of subscriber equipment to a third-party manufacturer and
purchases accessories from third-party suppliers. The Company’s cost of inventory includes an allocation of overhead, including payroll and payroll-related costs of employees directly involved in bringing inventory to its existing condition, and freight. Inventories are valued using the average cost method and are carried at the lower of cost or net realizable value.

The Company’s expense for excess and obsolete inventory was not material during the years ended December 31, 2023, 2022 or 2021.

The Company has a manufacturing agreement with Benchmark Electronics Inc. (“Benchmark”) to manufacture most of its subscriber equipment. Pursuant to the agreement, the Company may be required to purchase excess materials at cost plus a contractual markup if the materials are not used in production within the periods specified in the agreement. Benchmark will then repurchase such materials from the Company at the same price paid by the Company, as required for the production of the subscriber equipment.

The following table summarizes the Company’s inventory balance:
December 31,
 20232022
 (In thousands)
Finished goods$48,698 $17,964 
Raw materials43,599 23,014 
Inventory valuation reserve(1,162)(1,202)
Total$91,135 $39,776 

The Company’s raw materials balance includes $32.2 million and $9.0 million at December 31, 2023 and December 31, 2022, respectively, of inventory held on consignment at third-party manufacturers.
Stock-Based Compensation
Stock-Based Compensation
The Company accounts for stock-based compensation at estimated fair value. The fair value of stock options is determined at the grant date using the Black-Scholes-Merton option pricing model. The fair value of restricted stock units (“RSUs”) is equal to the closing price of the underlying common stock on the grant date. The fair value of an award that is ultimately expected to vest is recognized on a straight-line basis over the requisite service or performance period and is classified in the consolidated statements of operations and comprehensive income (loss) in a manner consistent with the classification of the recipient’s compensation. The expected vesting of the Company’s performance-based RSUs is based upon the probability that the Company achieves the defined performance goals. The level of achievement of performance goals, if any, is determined by the Compensation Committee. Stock-based awards to non-employee consultants are expensed at their grant-date fair value as services are provided according to the terms of their agreements and are classified in selling, general and administrative expenses in the accompanying consolidated statements of operations and comprehensive income (loss).
Property and Equipment
Property and Equipment

Property and equipment is carried at cost less accumulated depreciation. The Company calculates depreciation expense using the straight-line method over the useful lives of each asset. The Company applies judgment in determining the useful lives based on factors such as engineering data, long-term strategy for using the assets, the manufacturer’s estimated design life for the assets, laws and regulations that could impact the useful lives of the assets and other economic factors. The Company assesses the current estimated operational life of the satellites, including the potential impact of environmental factors on the satellites, ongoing operational enhancements and software upgrades when evaluating the useful lives of its satellites. Additionally, the Company reviews engineering data relating to the operation and performance of its satellite network.
 
During the fourth quarter of 2023, the Company updated its estimate of the satellites’ remaining useful lives based on the health of the constellation and related engineering data. As a result, the estimated useful lives of the satellites were extended by five years, from 12.5 years to 17.5 years. The impact of this change for the year ended December 31, 2023 was a decrease in depreciation expense of approximately $27.8 million and a decrease in hosted payload and other service revenue of approximately $2.3 million. For the year ended December 31, 2023, the impact of the change in useful lives of the satellites resulted in an increase in basic and diluted net income per share of $0.21 and $0.20, respectively.

During the quarter ended June 30, 2023, the Company launched five of its remaining six ground spare satellites. Following completion of successful on-orbit testing of the five launched satellites, the Company has no plans to use, develop or launch the remaining ground spare. As the Company believed the construction-in-progress associated with the remaining ground spare satellite would no longer be used, the Company wrote off the full amount remaining in construction-in-progress for that satellite by recording accelerated depreciation expense of $37.5 million, which more than offset the decrease in depreciation expense related to the increase in estimated useful lives of the satellites described above.

Repairs and maintenance costs are expensed as incurred.
Derivatives and Fair Value
Derivative Financial Instruments

The Company uses derivatives (interest rate swap, swaption, cap) to manage its exposure to fluctuating interest rate risk on variable rate debt. Its derivatives are measured at fair value and are recorded on the consolidated balance sheets within assets and other current liabilities. When the Company’s derivatives are designated as cash flow hedges, the effective portion of the changes in fair value of the derivatives are recorded in accumulated other comprehensive income (loss) within the Company’s consolidated balance sheets and subsequently recognized in earnings when the hedged items impact earnings. Any ineffective portion of a derivative’s change in fair value will be recognized in earnings in the same period in which the hedged interest payments affect earnings. Within the consolidated statements of operations and comprehensive income (loss), the gains and losses related to cash flow hedges are recognized within interest income (expense), net, as this is the same financial statement line item associated with the hedged items. Cash flows from hedging activities are included in operating activities within the Company’s consolidated statements of cash flows, which is the same category as the item being hedged. See Note 8 for further information.
Long-Lived Assets
Long-Lived Assets
The Company assesses its long-lived assets for impairment when indicators of impairment exist. Recoverability of assets is measured by comparing the carrying amounts of the assets to the future undiscounted cash flows expected to be generated by the assets. Any impairment loss would be measured as the excess of the assets’ carrying amount over their fair value.
Intangible Assets
Intangible Assets

The Company’s intangible assets with finite lives are amortized over their useful lives and reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of the asset may not be recoverable. If any indicators were present, the Company would test for recoverability by comparing the carrying amount of the asset to the net undiscounted cash flows expected to be generated from the asset. If those net undiscounted cash flows do not exceed the carrying amount (i.e., the asset is not recoverable), the Company would perform the next step, which is to determine the fair value of the asset and record an impairment loss, if any. The Company evaluates the useful lives for these intangible assets each reporting period to determine whether events and circumstances warrant a revision in their remaining useful lives.

The Company’s intangible assets with indefinite lives are not amortized but are tested for impairment annually, or more frequently if events or changes in circumstances indicate the asset may be impaired. The Company’s trade names, spectrum and licenses are expected to generate cash flows indefinitely.
Revenue Recognition
Revenue Recognition

The Company derives its revenue primarily as a wholesaler of satellite communications products and services. The primary types of revenue include (i) service revenue (access and usage-based airtime fees), (ii) subscriber equipment revenue, and (iii) revenue generated by providing engineering and support services to commercial and government customers. In addition to the discussion immediately below, see Note 11 for further discussion of the Company’s revenue recognition.
Wholesaler of satellite communications products and services

Pursuant to wholesale agreements, the Company sells its products and services to service providers and recognizes revenue as it fulfills its performance obligations to the service providers, based an amount that reflects the consideration to which it expects to be entitled to in exchange for those products and services. The service providers, in turn, sell the products and services to other distributors or directly to the end users. The Company recognizes revenue when an arrangement exists, services or equipment are transferred, the transaction price is determined, the arrangement has commercial substance, and collection of consideration is probable.

Contracts with multiple performance obligations

At times, the Company sells services and equipment through arrangements that bundle equipment, airtime and other services. For these revenue arrangements, when the Company sells services and equipment in bundled arrangements and determines that it has separate distinct performance obligations, the Company allocates the bundled contract price among the various performance obligations based on each deliverable’s stand-alone selling price. If the stand-alone selling price is not directly observable, the Company estimates the amount to be allocated for each performance obligation based on observable market transactions or the residual approach. When the Company determines the performance obligations are not distinct, the Company recognizes revenue on a combined basis. To the extent the Company’s contracts include variable consideration, the transaction price includes both fixed and variable consideration. The variable consideration contained within the Company’s contracts with customers may include discounts, credits and other similar items. When a contract includes variable consideration, the Company evaluates the estimate of the variable consideration to determine whether the estimate needs to be constrained; therefore, the Company includes the variable consideration in the transaction price only to the extent that it is probable that a significant reversal of the amount of cumulative revenue recognized will not occur when the uncertainty associated with the variable consideration is subsequently resolved. Variable consideration estimates are updated at the end of each quarter.

Service revenue sold on a stand-alone basis

Service revenue is generated from the Company’s service providers through usage of its satellite system and through fixed monthly access fees per user charged to service providers. Revenue for usage is recognized when usage occurs and is billed in arrears with payments generally submitted within 30 days. Revenue for fixed-per-user access fees is billed monthly in advance and generally recognized over the month, or related usage period, in which the services are provided to the end user. The Company sells prepaid services in the form of e-vouchers and prepaid cards. A liability is established equal to the cash paid upon purchase for the e-voucher or prepaid card. The Company recognizes revenue from (i) the prepaid services upon the use of the e-voucher or prepaid card by the customer and (ii) the estimated pattern of use. The Company does not offer refunds for unused prepaid services.

Services sold to the U.S. government

The Company provides airtime and airtime support to U.S. government and other authorized customers pursuant to the Enhanced Mobile Satellite Services (“EMSS”) contract managed by the U.S. Space Force. Under the terms of this agreement, authorized customers continue to utilize airtime services, provided through the U.S. government’s dedicated gateway. These services include unlimited global standard and secure voice, low and high-speed data, paging, broadcast and Distributed Tactical Communications Services (“DTCS”) services for an unlimited number of Department of Defense (“DoD”) and other federal subscribers. Under this contract, revenue is based on the annual fee for the fixed-price contract with unlimited subscribers and is recognized on a straight-line basis over each contractual year, with equal payments submitted monthly. The U.S. government purchases its subscriber equipment from third-party distributors and not directly from the Company.
Subscriber equipment sold on a stand-alone basis

The Company recognizes subscriber equipment sales and the related costs when title to the equipment (and the risks and rewards of ownership) passes to the customer, typically upon shipment. Customers are billed when inventory is shipped, and payment is generally due within 30 days. Customers do not have rights of return without prior consent from the Company.

Government engineering and support services

The Company provides maintenance services to the U.S. government’s dedicated gateway. This revenue is recognized ratably over the periods in which the services are provided; the related costs are expensed as incurred.

Other government and commercial engineering and support services
The Company also provides engineering services to assist customers in developing new technologies for use on the Company’s satellite system. Fees to customers under these agreements are generally based on milestones, and payments are submitted as milestones are achieved. The revenue associated with fixed-fee contracts is recognized over time using costs incurred to date relative to total estimated costs at completion to measure progress toward satisfying its performance obligation. The Company does not include purchases of goods from a third party in its evaluation of costs incurred. Incurred costs represent work performed, which corresponds with, and thereby best depicts, the transfer of control to the customer. The revenue associated with cost-plus-fixed-fee contracts is recognized to the extent of estimated costs incurred plus the applicable fees earned. The Company considers fixed fees under cost-plus-fixed-fee contracts to be earned in proportion to the allowable costs incurred in performance of the contract.
Research and Development
Research and Development

Research and development costs are charged to expense in the period in which they are incurred.
Advertising Costs
Advertising Costs
Costs associated with advertising and promotions are expensed as incurred. Advertising expenses were $1.4 million, $1.7 million and $1.9 million for the years ended December 31, 2023, 2022 and 2021, respectively.
Income Taxes
Income Taxes

The Company accounts for income taxes using the asset and liability approach, which requires the recognition of tax benefits or
expenses for temporary differences between the financial reporting and tax bases of assets and liabilities. A valuation allowance is established when necessary to reduce deferred tax assets to the amounts expected to be realized. The Company also recognizes a tax benefit from uncertain tax positions only if it is “more likely than not” that the position is sustainable based on its technical merits. The Company’s policy is to recognize interest and penalties on uncertain tax positions as a component of income tax expense.
Net Income (Loss) Per Share
Net Income (Loss) Per Share

The Company calculates basic net income (loss) per share by dividing net income (loss) attributable to common stockholders by the weighted-average number of shares of common stock outstanding during the period. Diluted net income (loss) per share takes into account the effect of potentially dilutive common shares when the effect is dilutive. The effect of potentially dilutive common shares, including common stock issuable upon exercise of outstanding stock options, is computed using the treasury stock method. The effect of potentially dilutive common shares from the conversion of outstanding convertible preferred securities was computed using the as-if converted method at the stated conversion rate. The Company’s unvested RSUs awarded to the board of directors contain non-forfeitable rights to dividends and therefore are considered to be participating securities in periods of net income. The calculation of basic and diluted net income (loss) per share excludes net income attributable to these unvested RSUs from the numerator and excludes the impact of these unvested RSUs from the denominator.
v3.24.0.1
Significant Accounting Policies and Basis of Presentation (Tables)
12 Months Ended
Dec. 31, 2023
Accounting Policies [Abstract]  
Schedule of Inventory, Current
The following table summarizes the Company’s inventory balance:
December 31,
 20232022
 (In thousands)
Finished goods$48,698 $17,964 
Raw materials43,599 23,014 
Inventory valuation reserve(1,162)(1,202)
Total$91,135 $39,776 
Share-Based Payment Arrangement, Expensed and Capitalized, Amount The following table presents the classification of stock-based compensation by line item on the balance sheet and statement of operations:
As of and For Year Ended December 31,
 20232022
 (In thousands)
Property and equipment, net$5,963 $4,018 
Inventory721 617 
Cost of subscriber equipment60 69 
Cost of services (exclusive of depreciation and amortization)16,128 12,337 
Research and development1,282 648 
Selling, general and administrative39,985 30,678 
Total stock-based compensation$64,139 $48,367 
v3.24.0.1
Cash and Cash Equivalents and Marketable Securities (Tables)
12 Months Ended
Dec. 31, 2023
Cash and Cash Equivalents [Abstract]  
Summary of Company's Cash and Cash Equivalents
The following table summarizes the Company’s cash and cash equivalents:
 
December 31,Recurring Fair
Value Measurement
20232022
 (In thousands) 
Cash and cash equivalents: 
Cash$32,526 $16,247  
Money market funds39,344 152,523 Level 2
Total cash and cash equivalents$71,870 $168,770  
v3.24.0.1
Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2023
Property, Plant and Equipment [Abstract]  
Property and Equipment
The following table presents the composition of property and equipment:
December 31,
 
Useful Life
20232022
 (In thousands)
Satellite system17.5 years$3,242,829 $3,197,460 
Ground system5-7 years70,497 73,890 
Equipment3-5 years51,788 49,423 
Internally developed software and purchased software3-7 years332,824 297,538 
Building and leasehold improvements5-39 years33,433 32,695 
 Total depreciable property and equipment
3,731,371 3,651,006 
Less: accumulated depreciation(1,804,884)(1,538,535)
Total depreciable property and equipment, net of accumulated depreciation1,926,487 2,112,471 
Land8,037 8,037 
Construction-in-process:
Spare satellites
181,557 225,254 
Other construction-in-process79,677 87,543 
Total property and equipment, net of accumulated depreciation
$2,195,758 $2,433,305 
v3.24.0.1
Intangible Assets (Tables)
12 Months Ended
Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of identifiable intangible assets
The following table presents identifiable intangible assets:

 December 31, 2023
Useful
Life
Gross
Carrying Value
Accumulated
Amortization
Net
Carrying Value
 (In thousands)
Indefinite life intangible assets: 
Trade namesIndefinite$21,195 $— $21,195 
Spectrum and licensesIndefinite14,030 — 14,030 
Total 35,225 — 35,225 
Definite life intangible assets: 
Intellectual property20 years16,439 (10,987)5,452 
Assembled workforce7 years5,678 (5,678)— 
Patents14 - 20 years587 (169)418 
Total 22,704 (16,834)5,870 
Total intangible assets $57,929 $(16,834)$41,095 

 December 31, 2022
Useful
Life
Gross
Carrying Value
Accumulated
Amortization
Net
Carrying Value
 (In thousands)
Indefinite life intangible assets: 
Trade namesIndefinite$21,195 $— $21,195 
Spectrum and licensesIndefinite14,030 — 14,030 
Total 35,225 — 35,225 
Definite life intangible assets: 
Intellectual property20 years16,439 (10,347)6,092 
Assembled workforce7 years5,678 (4,867)811 
Patents14 - 20 years576 (127)449 
Total 22,693 (15,341)7,352 
Total intangible assets $57,918 $(15,341)$42,577 
Schedule of finite-lived intangible assets, future amortization expense
The following table presents future amortization expense with respect to intangible assets existing at December 31, 2023, by year and in the aggregate:

Year ending December 31,Amount
 (In thousands)
2024$473 
2025473 
2026
473 
2027
473 
2028
473 
Thereafter3,505 
Total estimated future amortization expense$5,870 
v3.24.0.1
Leases (Tables)
12 Months Ended
Dec. 31, 2023
Leases [Abstract]  
Operating Leases, Right of Use Assets and Liabilities [Table Text Block]
The following table summarizes the Company’s lease-related assets and liabilities:
LeasesClassificationDecember 31, 2023December 31, 2022
(In thousands)
Operating lease assets
NoncurrentOther assets$16,133 $16,925 
Total lease assets$16,133 $16,925 
Operating lease liabilities
CurrentAccrued expenses and other current liabilities$4,327 $3,784 
NoncurrentOther long-term liabilities$14,087 15,801 
Total lease liabilities$18,414 $19,585 
Lessee, Operating Lease, Liability, Maturity [Table Text Block]
The following table presents future payment obligations with respect to the Company’s operating leases in which it was the lessee at December 31, 2023, by year and in the aggregate:
Year Ending December 31,Amount
(In thousands)
2024
$5,548 
2025
5,646 
2026
3,792 
2027
2,226 
2028
1,982 
Thereafter2,592 
Total lease payments$21,786 
Lessor, Operating Lease, Payments to be Received, Maturity [Table Text Block]
The following table presents future income, after giving effect to the extension of estimated useful lives of the satellites, with respect to the Company’s operating leases in which it was the lessor at December 31, 2023, by year and in the aggregate:
Year Ending December 31,Amount
(In thousands)
2024
$12,391 
2025
12,391 
2026
12,391 
2027
12,391 
2028
12,391 
   Thereafter82,106 
Total lease income$144,061 
v3.24.0.1
Debt (Tables)
12 Months Ended
Dec. 31, 2023
Debt Disclosure [Abstract]  
Interest Expense Disclosure
The following table presents the interest and amortization of deferred financing fees related to the Term Loan:
Year Ended December 31,
202320222021
(In thousands)
Total interest incurred$102,321 $72,090 $72,816 
Amortization of deferred financing fees$3,958 $4,760 $4,316 
Capitalized interest$5,086 $2,590 $2,146 
Schedule of future payments of credit facility
The following table presents future minimum principal repayments with respect to the Term Loan existing at December 31, 2023, by year and in the aggregate:

Year ending December 31,Amount
 (In thousands)
2024$15,000 
202515,000 
2026
15,000 
2027
15,000 
202815,000 
Thereafter
1,425,000 
Total debt commitments1,500,000 
Less: Original issuance discount17,510 
Less: Total short-term debt15,000 
Total long-term debt, net$1,467,490 
v3.24.0.1
Derivative Instruments (Tables)
12 Months Ended
Dec. 31, 2023
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss)
The following table presents the amount of unrealized gain or loss and related tax impact associated with the derivative instruments that the Company recorded in its consolidated statements of operations and comprehensive income (loss):
Year Ended December 31,
202320222021
(In thousands)
Unrealized gain (loss), net of tax
$(17,598)$58,668 $10,408 
Tax benefit (expense)
$5,379 $(17,834)$(3,316)
v3.24.0.1
Stock-Based Compensation (Tables)
12 Months Ended
Dec. 31, 2023
Share-Based Payment Arrangement [Abstract]  
Schedule of share-based compensation, restricted stock units award activity
The following table summarizes the Company’s RSU activity:
RSUsWeighted-
Average
Grant Date
Fair Value
Per RSU
 (In thousands) 
Outstanding at December 31, 2020
2,664 $18.96 
Granted913 $41.55 
Forfeited(115)$29.49 
Released(912)$21.12 
Outstanding at December 31, 2021
2,550 $25.80 
Granted1,562 $40.21 
Forfeited(152)$32.80 
Released(990)$30.05 
Outstanding at December 31, 2022
2,970 $31.60 
Granted1,184 $57.85 
Forfeited(76)$46.02 
Released(1,283)$36.02 
Outstanding at December 31, 20232,795 $40.24 
Vested and unreleased at December 31, 2023 (1)
713  
Schedule of Share-based compensation, stock options, activity
The following table summarizes the Company’s stock option award activity:
SharesWeighted-
Average
Exercise Price
Per Share
Weighted-
Average
Remaining
Contractual
Term (Years)
Aggregate
Intrinsic
Value
 (In thousands, except years and per share data)
Options outstanding at December 31, 2020
2,554 $9.10 3.94$77,182 
Cancelled or expired(3)10.67 
Exercised(857)8.51 $31,544 
Forfeited(13)16.07 
Options outstanding at December 31, 2021
1,681 $9.35 3.28$53,698 
Cancelled or expired(1)8.28 
Exercised(494)7.83 $18,992 
Forfeited(1)18.35 
Options outstanding at December 31, 2022
1,185 $9.97 2.64$49,094 
Cancelled or expired(4)10.25 
Exercised(505)7.84 $26,928 
Options outstanding and exercisable at December 31, 2023
676 $11.55 2.39$20,036 
v3.24.0.1
Revenue (Tables)
12 Months Ended
Dec. 31, 2023
Revenue from Contract with Customer [Abstract]  
Disaggregation of Revenue [Table Text Block]
The following table summarizes the Company’s services revenue:
 Year Ended December 31,
 202320222021
 (In thousands)
Commercial services:
Voice and data$219,242 $193,112 $175,584 
IoT data141,036 125,015 110,919 
Broadband57,878 51,143 42,990 
Hosted payload and other data60,298 59,451 58,611 
Total commercial services478,454 428,721 388,104 
Government services106,000 106,000 103,887 
Total services$584,454 $534,721 $491,991 
Summary of Company's Engineering and Support Service Revenue [Table Text Block]
The following table summarizes the Company’s engineering and support services revenue:
 Year Ended December 31,
 202320222021
 (In thousands)
Commercial$11,050 $7,833 $4,613 
Government90,083 43,766 25,825 
Total$101,133 $51,599 $30,438 
Contract with Customer, Asset and Liability [Table Text Block] The following table presents contract assets not separately disclosed:
Year Ended December 31,
20232022
(In thousands)
Contract Assets:
Commissions$1,114 $1,258 
Other contract costs$1,970 $2,255 
v3.24.0.1
Income Taxes (Tables)
12 Months Ended
Dec. 31, 2023
Income Tax Disclosure [Abstract]  
Schedule of income before income tax, domestic and foreign
The following table presents U.S. and foreign components of income (loss) before income taxes:
 Year Ended December 31,
 202320222021
  (In thousands) 
U.S. income (loss)$(10,596)$10,179 $(31,352)
Foreign income5,849 331 2,464 
Total income (loss) before income taxes$(4,747)$10,510 $(28,888)
Schedule of components of income tax expense (benefit)
The following table summarizes the components of the Company’s income tax provision:
 Year Ended December 31,
 202320222021
  (In thousands) 
Current taxes:
Federal tax benefit$— $— $(537)
State tax expense 1,032 272 42 
Foreign tax expense4,545 1,209 2,240 
Total current tax (benefit) expense5,577 1,481 1,745 
Deferred taxes:
Federal tax benefit(31,311)(3,354)(14,109)
State tax expense (benefit)(226)1,794 (6,686)
Foreign tax expense (benefit)(291)371 (519)
Total deferred tax benefit(31,828)(1,189)(21,314)
Total income tax expense (benefit)$(26,251)$292 $(19,569)
Schedule of effective income tax rate reconciliation
The following table presents a reconciliation of the U.S. federal statutory income tax expense to the Company’s effective income tax provision. Any amounts that do not have a meaningful impact on this reconciliation are not separately disclosed.

 Year Ended December 31,
 202320222021
  (In thousands) 
Expected tax expense (benefit) at U.S. federal statutory tax rate
$(997)$1,893 $(6,067)
State taxes, net of federal benefit927 1,260 (9,094)
State tax valuation allowance(338)748 711 
Deferred impact of state tax law changes and elections— — 1,200 
Equity-based compensation(10,234)(6,184)(9,597)
Limitation on executive compensation deduction4,011 2,905 3,140 
Other nondeductible items114 33 65 
Tax credits(21,817)(949)(1,278)
Foreign taxes3,570 386 1,100 
Other adjustments(1,487)200 251 
Total income tax expense (benefit)$(26,251)$292 $(19,569)
Schedule of deferred tax assets and liabilities
The following table presents the components of deferred tax assets and liabilities:
 December 31,
 20232022
 (In thousands)
Deferred tax assets
Long-term contracts$51,226 $52,553 
Federal, state and foreign net operating losses, other carryforwards and tax credits
351,094 374,767 
Other26,676 24,553 
Total deferred tax assets428,996 451,873 
Valuation allowance(33,420)(34,643)
Net deferred tax assets395,576 417,230 
Deferred tax liabilities
Fixed assets, intangibles and research and development expenditures(425,980)(490,384)
Investment in joint venture(63,108)(48,754)
Other(19,336)(27,976)
Total deferred tax liabilities(508,424)(567,114)
Net deferred income tax liabilities$(112,848)$(149,884)
Summary of income tax contingencies The following is a tabular reconciliation of the total amounts of unrecognized tax benefits which includes related interest and penalties:
 Year Ended December 31,
 20232022
 (In thousands)
Balance at January 1,$— $— 
Change attributable to tax positions taken in a prior period2,162 — 
Change attributable to tax positions taken in the current period236 — 
Balance at December 31,$2,398 $— 
v3.24.0.1
Net Income (Loss) Per Share (Tables)
12 Months Ended
Dec. 31, 2023
Earnings Per Share [Abstract]  
Computations of basic and diluted net income per share
The following table summarizes the computations of basic and diluted net loss per common share:

 Year Ended December 31,
 202320222021
 (In thousands, except per share data)
Numerator:
Net income (loss) attributable to common stockholders - basic and diluted$15,415 $8,722 $(9,319)
Denominator:
Weighted average common shares - basic125,598 128,255 133,530 
Weighted average common shares - diluted127,215 130,134 133,530 
Net income (loss) attributable to common stockholders per share - basic and diluted
$0.12 $0.07 $(0.07)
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share
The following table presents the incremental number of shares underlying stock options and RSUs outstanding with anti-dilutive effects:
Year Ended December 31,
202320222021
(In thousands)
Performance-based RSUs— 210 183 
Service-based RSUs— — 536 
Stock options— — 1,189 
v3.24.0.1
Segments, Significant Customers, Supplier and Service Providers and Geographic Information (Tables)
12 Months Ended
Dec. 31, 2023
Segments, Geographical Areas [Abstract]  
Schedule of long lived assets by geographical areas
The following table summarizes net property and equipment by geographic area:
December 31,
 20232022
 (In thousands)
United States$412,002 $461,820 
Satellites in orbit1,782,000 1,968,999 
All others1,756 2,486 
Total$2,195,758 $2,433,305 
Revenue from external customers by geographic areas
The following table summarizes revenue by geographic area:
Year Ended December 31,
 202320222021
  (In thousands) 
United States$431,476 $374,687 $330,948 
Other countries (1)
359,247 346,347 283,552 
Total$790,723 $721,034 $614,500 
v3.24.0.1
Significant Accounting Policies and Basis of Presentation - Schedule of Inventory (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Inventory, Net [Abstract]    
Finished goods $ 48,698 $ 17,964
Raw materials 43,599 23,014
Inventory valuation reserve (1,162) (1,202)
Inventory $ 91,135 $ 39,776
v3.24.0.1
Significant Accounting Policies and Basis of Presentation - Classification of Stock-based Compensation (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]    
Total stock-based compensation $ 64,139 $ 48,367
v3.24.0.1
Significant Accounting Policies and Basis of Presentation - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Accounting Policies [Abstract]      
Allowance for doubtful accounts The allowance for doubtful accounts was not material as of December 31, 2023 and 2022.    
Definition: Three Year Cumulative Inflation Rate - Highly Inflationary Economy 100.00%    
Inventory Impairment, Policy
The Company’s expense for excess and obsolete inventory was not material during the years ended December 31, 2023, 2022 or 2021.
   
Basic Earnings Per Share Adjustment, Pro Forma $ 0.21    
Earnings Per Share, Diluted, Pro Forma Adjustment $ 0.20    
Advertising expense $ 1.4 $ 1.7 $ 1.9
Other Inventory, Materials, Supplies and Merchandise under Consignment, Gross $ 32.2 $ 9.0  
v3.24.0.1
Cash and Cash Equivalents (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Cash and Cash Equivalents    
Cash and cash equivalents $ 71,870 $ 168,770
Cash    
Cash and Cash Equivalents    
Cash 32,526 16,247
Fair Value, Inputs, Level 2 | Money Market Funds    
Cash and Cash Equivalents    
Money market funds $ 39,344 $ 152,523
v3.24.0.1
Property and Equipment - Summary of Property, Plant, and Equipment (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Property, Plant and Equipment [Abstract]    
Satellite system $ 3,242,829 $ 3,197,460
Ground system 70,497 73,890
Equipment 51,788 49,423
Internally developed software and purchased software 332,824 297,538
Building and leasehold improvements 33,433 32,695
 Total depreciable property and equipment 3,731,371 3,651,006
Less: accumulated depreciation (1,804,884) (1,538,535)
Total depreciable property and equipment, net of accumulated depreciation 1,926,487 2,112,471
Land 8,037 8,037
Spare satellites 181,557 225,254
Other construction-in-process 79,677 87,543
Total property and equipment, net of accumulated depreciation $ 2,195,758 $ 2,433,305
Satellite System    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Useful Life 17 years 6 months 12 years 6 months
Satellite System | Maximum    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Useful Life 17 years 6 months  
Satellite System | Minimum    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Useful Life 17 years 6 months  
Ground System [Member] | Maximum    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Useful Life 7 years  
Ground System [Member] | Minimum    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Useful Life 5 years  
Computer Equipment | Maximum    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Useful Life 5 years  
Computer Equipment | Minimum    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Useful Life 3 years  
Internally developed software and purchased software | Maximum    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Useful Life 7 years  
Internally developed software and purchased software | Minimum    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Useful Life 3 years  
Building and leasehold improvements | Maximum    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Useful Life 39 years  
Building and leasehold improvements | Minimum    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Useful Life 5 years  
v3.24.0.1
Property and Equipment - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Depreciation [Abstract]      
Depreciation $ 318.5 $ 301.9 $ 303.8
v3.24.0.1
Intangible Assets - Indentifiable Intangible Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Indefinite-lived Intangible Assets [Line Items]    
Indefinite-lived Intangible Assets (Excluding Goodwill) $ 35,225 $ 35,225
Finite-Lived Intangible Assets, Gross 22,704 22,693
Gross Carrying Value 57,929 57,918
Amortization of intangible assets 16,834 15,341
Net Carrying Value 5,870 7,352
Intangible assets, net 41,095 42,577
Intellectual Property    
Indefinite-lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross 16,439 16,439
Amortization of intangible assets 10,987 10,347
Net Carrying Value $ 5,452 $ 6,092
Definite-lived intangible asset 20 years 20 years
Assembled workforce    
Indefinite-lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross $ 5,678 $ 5,678
Amortization of intangible assets 5,678 4,867
Net Carrying Value $ 0 $ 811
Definite-lived intangible asset 7 years 7 years
Patents    
Indefinite-lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Gross $ 587 $ 576
Amortization of intangible assets 169 127
Net Carrying Value $ 418 $ 449
Patents | Minimum    
Indefinite-lived Intangible Assets [Line Items]    
Definite-lived intangible asset 14 years 14 years
Patents | Maximum    
Indefinite-lived Intangible Assets [Line Items]    
Definite-lived intangible asset 20 years 20 years
Trade names    
Indefinite-lived Intangible Assets [Line Items]    
Indefinite-lived Intangible Assets (Excluding Goodwill) $ 21,195 $ 21,195
Spectrum and licensing    
Indefinite-lived Intangible Assets [Line Items]    
Indefinite-lived Intangible Assets (Excluding Goodwill) $ 14,030 $ 14,030
v3.24.0.1
Intangible Assets - Future Amortization Expense (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]    
2024 $ 473  
2025 473  
2026 473  
2027 473  
2028 473  
Thereafter 3,505  
Finite-Lived Intangible Assets, Net $ 5,870 $ 7,352
v3.24.0.1
Intangible Assets - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]      
Amortization of intangible assets $ 1.5 $ 1.6 $ 1.6
v3.24.0.1
Lease Account Summary (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Assets and Liabilities, Lessee [Abstract]    
Operating Lease, Right-of-Use Asset $ 16,133 $ 16,925
Operating Lease, Liability, Current 4,327 3,784
Operating Lease, Liability, Noncurrent 14,087 15,801
Total Operating Lease Liabilities $ 18,414 $ 19,585
v3.24.0.1
Lease Future Payment Obligations (Details)
$ in Thousands
Dec. 31, 2023
USD ($)
Operating Leases, Future Minimum Payments Due, Rolling Maturity [Abstract]  
2024 $ 5,548
2025 5,646
2026 3,792
2027 2,226
2028 1,982
Thereafter 2,592
Total lease payments $ 21,786
v3.24.0.1
Lessor Payments to be Received (Details)
$ in Thousands
Dec. 31, 2023
USD ($)
Lessor, Operating Lease, Payment to be Received, Rolling Maturity [Abstract]  
2024 $ 12,391
2025 12,391
2026 12,391
2027 12,391
2028 12,391
Thereafter 82,106
Total Operating Lease Payments to be Received $ 144,061
v3.24.0.1
Leases Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Leases [Abstract]      
Lessee, Operating Lease, Renewal Term 10 years    
Operating Lease, Weighted Average Remaining Lease Term 4 years 8 months 12 days    
Operating Lease, Weighted Average Discount Rate, Percent 6.70%    
Operating Lease, Expense $ 5.2 $ 5.2 $ 5.6
Lessor, Operating Lease, Term of Contract 17 years 6 months    
Operating Lease, Lease Income $ 19.2 $ 21.4  
v3.24.0.1
Debt- Narrative (Details)
$ in Thousands
3 Months Ended 12 Months Ended
Sep. 20, 2023
USD ($)
Dec. 31, 2023
USD ($)
Rate
Dec. 31, 2023
USD ($)
Rate
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Feb. 07, 2020
USD ($)
Nov. 04, 2019
USD ($)
Rate
Debt [Line Items]              
Long-term Debt, Gross   $ 1,500,000 $ 1,500,000        
Debt Instrument, Annual Principal Payment   15,000 15,000        
Payment for Debt Extinguishment or Debt Prepayment Cost   100,000          
Loss on extinguishment of debt   1,200 0 $ 1,187 $ 879    
Total Long Term Debt, Net   1,467,490 1,467,490 1,470,685      
Ratio of Indebtedness to Net Capital             6.25
Payments of Financing Costs     15,900        
Interest Expense     14,700        
Interest payable   $ 1,000 $ 1,000 300      
Revolving Credit Facility [Member]              
Debt [Line Items]              
Long-term Debt, Gross             $ 100,000
Debt Instrument, Fee     0.5        
Debt Issuance Costs, Gross $ 1,200            
Credit Facility Drawdown Floor for Application of First Lien Net Leverage Ratio | Rate             35.00%
Revolving Credit Facility [Member] | Minimum              
Debt [Line Items]              
Debt Instrument, Fee     0.375        
Revolving Credit Facility [Member] | Interest Rate Floor [Member]              
Debt [Line Items]              
Debt Instrument, Basis Spread on Variable Rate | Rate     0.00%        
Term Loan B (Additional) [Member]              
Debt [Line Items]              
Debt Instrument, Basis Spread on Variable Rate | Rate   2.50%          
Term Loan B (Additional) [Member] | Interest Rate Floor [Member]              
Debt [Line Items]              
Debt Instrument, Basis Spread on Variable Rate | Rate   75.00%          
Term Loan B              
Debt [Line Items]              
Long-term Debt, Gross           $ 1,500,000  
Debt Issuance Costs, Gross 3,800            
Extinguishment of Debt, Amount $ 16,800            
Debt Instrument, Face Amount       1,504,600      
Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net   $ 17,500 $ 17,500 17,400      
Total Long Term Debt, Net   1,482,500 1,482,500 1,487,200      
Long-term Debt, Fair Value   $ 1,506,600 $ 1,506,600 $ 1,494,300      
v3.24.0.1
Debt - Interest Incurred (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Debt Disclosure [Abstract]      
Total interest incurred $ 102,321 $ 72,090 $ 72,816
Amortization of deferred financing fees 3,958 4,760 4,316
Capitalized interest $ 5,086 $ 2,590 $ 2,146
v3.24.0.1
Debt Future Payments (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Senior Unsecured Notes [Line Items]    
2024 $ 15,000  
2025 15,000  
2026 15,000  
2027 15,000  
2028 15,000  
Thereafter 1,425,000  
Long-term Debt, Gross 1,500,000  
Less: Original issuance discount 17,510  
Less: Total short-term debt 15,000  
Total Long Term Debt, Net $ 1,467,490 $ 1,470,685
v3.24.0.1
Derivative Instruments - Summary of Unrealized Gains and Losses (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Derivative Instruments and Hedging Activities Disclosure [Abstract]      
Unrealized gain (loss) on cash flow hedges, net of tax $ (17,598) $ 58,668 $ 10,408
Tax benefit (expense) $ 5,379 $ (17,834) $ (3,316)
v3.24.0.1
Derivative Instruments - Narrative (Details) - USD ($)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Interest Rate Swaps [Line Items]      
Derivative, Gain (Loss) on Derivative, Net $ 3,300,000 $ 3,300,000 $ 8,500,000
Derivative, Gain on Derivative 36,200,000 $ 7,200,000  
Interest Rate Swaption [Member]      
Interest Rate Swaps [Line Items]      
Derivative, Fixed Interest Rate   0.50%  
Interest Rate Swap [Member]      
Interest Rate Swaps [Line Items]      
Derivative, Fixed Interest Rate   1.565%  
Derivative, Notional Amount $ 1    
Interest Rate Cap      
Interest Rate Swaps [Line Items]      
Derivative, Fixed Interest Rate 0.31%    
Derivative, Notional Amount $ 1,000,000,000    
Interest Rate Cash Flow Hedge Asset at Fair Value 66,500,000 $ 92,300,000  
Interest Rate Cash Flow Hedge Liability at Fair Value $ 8,400,000 $ 11,000,000  
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate      
Interest Rate Swaps [Line Items]      
Cap Credit Risk Adjustment [Line Items] (0.064%)    
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate | Interest Rate Cap      
Interest Rate Swaps [Line Items]      
Derivative, Cap Interest Rate 1.436%    
v3.24.0.1
Stock-Based Compensation Outstanding RSUs (Details) - Restricted stock units (RSUs) - $ / shares
shares in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
RSUs        
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Outstanding, Number 2,795 2,970 2,550 2,664
Granted - restricted stock units 1,184 1,562 913  
Forfeited - restricted stock units (76) (152) (115)  
Released - restricted stock units (1,283) (990) (912)  
Share-Based Compensation Arrangement by Share-Based Payment Award, Option, Nonvested, Weighted Average Exercise Price $ 40.24 $ 31.60 $ 25.80 $ 18.96
Vested - restricted stock units 713      
Weighted-Average Exercise Price        
Granted - weighted average grant date fair value per RSU $ 57.85 40.21 41.55  
Forfeited - weighted average grant date fair value per RSU 46.02 32.80 29.49  
Released - weighted average grant date fair value per RSU $ 36.02 $ 30.05 $ 21.12  
v3.24.0.1
Stock-Based Compensation Activity Of Company's Stock Options (Details) - Employee stock option - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding        
Options outstanding, beginning of period (in shares) 1,185 1,681 2,554  
Options Cancelled or expired - Shares (4) (1) (3)  
Options Exercised - Shares (505) (494) (857)  
Options Forfeited - Shares   (1) (13)  
Options outstanding, end of period (in shares) 676 1,185 1,681 2,554
Weighted-Average Exercise Price        
Options outstanding, beginning of period - weighted average exercise price per share $ 9.97 $ 9.35 $ 9.10  
Options cancelled or expired - weighted average exercise price per share 10.25 8.28 10.67  
Options exercised - weighted average exercise price per share 7.84 7.83 8.51  
Options forfeited - weighted average exercise price per share   18.35 16.07  
Options outstanding, end of period - weighted average exercise price per share $ 11.55 $ 9.97 $ 9.35 $ 9.10
Options outstanding, end of period - weighted average remaining contractual term (years) 2 years 4 months 20 days 2 years 7 months 20 days 3 years 3 months 10 days 3 years 11 months 8 days
Aggregate Intrinsic Value        
Options outstanding, end of period - aggregate intrinsic value $ 20,036 $ 49,094 $ 53,698 $ 77,182
Aggregate Intrinsic Value of Stock Options Exercised $ 26,928 $ 18,992 $ 31,544  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 676 1,185 1,681 2,554
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price $ 11.55 $ 9.97 $ 9.35 $ 9.10
Options outstanding, end of period - weighted average remaining contractual term (years) 2 years 4 months 20 days 2 years 7 months 20 days 3 years 3 months 10 days 3 years 11 months 8 days
Options outstanding, end of period - aggregate intrinsic value $ 20,036 $ 49,094 $ 53,698 $ 77,182
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period 4 1 3  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period 505 494 857  
Options exercised - weighted average exercise price per share $ 7.84 $ 7.83 $ 8.51  
Aggregate Intrinsic Value of Stock Options Exercised $ 26,928 $ 18,992 $ 31,544  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period   1 13  
Options forfeited - weighted average exercise price per share   $ 18.35 $ 16.07  
v3.24.0.1
Stock-Based Compensation Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares available for future grant 12,917,165    
Share-Base Compensation Award, Reduction In Shares Available For Issuance By Shares Issued Pursuant To Any Appreciation Award 1    
Equity Plan - Purchase Price of Common Stock, Percent 100.00%    
Share-Based Compensation Award, Reduction in Shares Available for Issuance by Shares Issued Pursuant to Any Stock Award that is not an Appreciation Award 1.8    
Employee stock option      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation vesting period 4 years 4 years 4 years
Stock Option Contractual Term 10 years 10 years 10 years
Fair value of options vested   $ 600 $ 2,300
Employee stock option | Vesting on first anniversary of grant date      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting rights percentage 25.00% 25.00% 25.00%
Employee stock option | Vesting on the last day of each calendar quarter      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting rights percentage 6.25% 6.25% 6.25%
Restricted stock units (RSUs)      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Nonvested awards, compensation cost not yet recognized, total $ 42,600    
Nonvested awards, compensation cost not yet recognized, period for recognition 1 year 4 months 24 days    
Granted - restricted stock units 1,184,000 1,562,000 913,000
RSUs Granted - Grant Date Fair Value $ 100 $ 300 $ 100
Restricted stock units (RSUs) | Vesting on the last day of each calendar quarter | Maximum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting rights percentage 150.00% 150.00% 150.00%
Restricted stock units (RSUs) | Employee      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation vesting period 4 years 4 years 4 years
Restricted stock units (RSUs) | Employee | Vesting on first anniversary of grant date      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting rights percentage 25.00% 25.00% 25.00%
Restricted stock units (RSUs) | Employee | Vesting on the last day of each calendar quarter      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting rights percentage 6.25% 6.25% 6.25%
Restricted stock units (RSUs) | Nonemployee      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted - restricted stock units 1,000 7,000 2,000
Restricted stock units (RSUs) | Nonemployee | Vesting on first anniversary of grant date      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting rights percentage 50.00% 50.00% 50.00%
Restricted stock units (RSUs) | Nonemployee | Vesting on the last day of each calendar quarter      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting rights percentage 12.50% 12.50% 12.50%
Restricted stock units (RSUs) | Director | Vesting on first anniversary of grant date      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting rights percentage 100.00% 100.00% 100.00%
Performance Shares      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation vesting period 1 year 1 year 1 year
Granted - restricted stock units 193,000 248,000 228,000
RSUs Granted - Grant Date Fair Value $ 11,900 $ 9,700 $ 9,500
Performance Shares | Executive Officer      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based compensation vesting period 3 years 3 years 3 years
Award Performance Period 2 years 2 years 2 years
Granted - restricted stock units 134,000 167,000 110,000
RSUs Granted - Grant Date Fair Value $ 8,200 $ 6,500 $ 4,600
Share-Based Compensation Arrangement by Share-Based Payment Award, Other Share Increase (Decrease) 55,000 50,000 3,000
Performance Shares | Executive Officer | Minimum      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting rights percentage 0.00% 0.00% 0.00%
Performance Shares | Executive Officer | Vesting on first anniversary of grant date      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting rights percentage 50.00% 50.00% 50.00%
Performance Shares | Executive Officer | Vesting on the last day of each calendar quarter      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting rights percentage 50.00% 50.00% 50.00%
Service based R S U      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted - restricted stock units 746,000 1,082,000 531,000
RSUs Granted - Grant Date Fair Value $ 43,000 $ 44,200 $ 22,000
Service based R S U | Director      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Granted - restricted stock units 55,000 57,000 39,000
RSUs Granted - Grant Date Fair Value $ 2,900 $ 2,200 $ 1,600
Restricted Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Restricted Stock or Unit Expense $ 57,500 $ 43,200 $ 26,000
v3.24.0.1
Equity Transactions Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2023
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Feb. 05, 2021
Dec. 31, 2015
Stockholders' Equity Note [Abstract]            
Preferred stock, shares authorized 2,000,000 2,000,000        
Preferred stock, par value $ 0.0001 $ 0.0001        
Preferred stock, shares issued           1,500,000
Shares of preferred stock, undesignated and unissued 500,000 500,000 500,000      
Preferred Stock, Shares Outstanding 0 0 0      
Common Stock, Dividends, Per Share, Declared   $ 0.13        
Payment of common stock dividends   $ (64,774) $ 0 $ 0    
Dividends accrued on common stock $ 1,315 $ 1,315 $ 16,616 $ 0    
Stock Repurchase Program, Authorized Amount         $ 1,000,000  
Treasury Stock, Shares, Retired   4,800,000 6,800,000 4,300,000    
Treasury Stock, Retired, Cost Method, Amount   $ 244,600 $ 257,000 $ 163,400    
Treasury Stock, Value, tax   1,400        
Treasury Stock, Shares, Acquired 26,000          
Treasury Stock, Value $ 1,000 1,000        
Stock Repurchase Program, Remaining Authorized Repurchase Amount $ 334,000 $ 334,000        
v3.24.0.1
Revenue - Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Revenue from Contract with Customer [Abstract]      
Contract with Customer, Liability, Revenue Recognized $ 31,400 $ 26,300 $ 43,000
Disaggregation of Revenue [Line Items]      
Total Revenue 790,723 721,034 614,500
Engineering and support services      
Disaggregation of Revenue [Line Items]      
Total Revenue 101,133 51,599 30,438
Commercial | Engineering and support services      
Disaggregation of Revenue [Line Items]      
Total Revenue 11,050 7,833 4,613
Government | Engineering and support services      
Disaggregation of Revenue [Line Items]      
Total Revenue $ 90,083 $ 43,766 $ 25,825
v3.24.0.1
Revenue - Summary of Service Revenue (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Disaggregation of Revenue [Line Items]      
Revenue $ 790,723 $ 721,034 $ 614,500
Voice and data      
Disaggregation of Revenue [Line Items]      
Revenue 219,242 193,112 175,584
IoT data      
Disaggregation of Revenue [Line Items]      
Revenue 141,036 125,015 110,919
Broadband      
Disaggregation of Revenue [Line Items]      
Revenue 57,878 51,143 42,990
Hosted payload and other data      
Disaggregation of Revenue [Line Items]      
Revenue 60,298 59,451 58,611
Services      
Disaggregation of Revenue [Line Items]      
Revenue 584,454 534,721 491,991
Services | Commercial      
Disaggregation of Revenue [Line Items]      
Revenue 478,454 428,721 388,104
Services | Government      
Disaggregation of Revenue [Line Items]      
Revenue 106,000 106,000 103,887
Engineering and support services      
Disaggregation of Revenue [Line Items]      
Revenue 101,133 51,599 30,438
Engineering and support services | Commercial      
Disaggregation of Revenue [Line Items]      
Revenue 11,050 7,833 4,613
Engineering and support services | Government      
Disaggregation of Revenue [Line Items]      
Revenue $ 90,083 $ 43,766 $ 25,825
v3.24.0.1
Revenue - Summary of Contract Costs (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Commissions    
Capitalized Contract Cost [Line Items]    
Contract Assets $ 1,114 $ 1,258
Other Contract Assets    
Capitalized Contract Cost [Line Items]    
Contract Assets $ 1,970 $ 2,255
v3.24.0.1
Income (loss) before Taxes Table (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Income Tax Disclosure [Abstract]      
U.S. income (loss) $ (10,596) $ 10,179 $ (31,352)
Foreign income 5,849 331 2,464
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest $ (4,747) $ 10,510 $ (28,888)
v3.24.0.1
Income Tax Expense (Benefit) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Income Tax Disclosure [Abstract]      
Federal tax benefit $ 0 $ 0 $ (537)
State tax expense 1,032 272 42
Foreign tax expense 4,545 1,209 2,240
Total current tax (benefit) expense 5,577 1,481 1,745
Federal tax benefit (31,311) (3,354) (14,109)
State tax expense (benefit) (226) 1,794 (6,686)
Foreign tax expense (benefit) (291) 371 (519)
Deferred income taxes (31,828) (1,189) (21,314)
Income Tax Expense (Benefit) (26,251) 292 (19,569)
Expected tax expense (benefit) at U.S. federal statutory tax rate (997) 1,893 (6,067)
State taxes, net of federal benefit 927 1,260 (9,094)
State tax valuation allowance (338) 748 711
Deferred impact of state tax law changes and elections 0 0 1,200
Equity-based compensation (10,234) (6,184) (9,597)
Limitation on executive compensation deduction 4,011 2,905 3,140
Other nondeductible items 114 33 65
Effective Income Tax Rate Reconciliation, Tax Credit, Amount (21,817) (949) (1,278)
Foreign tax expense 3,570 386 1,100
Other adjustments $ (1,487) $ 200 $ 251
v3.24.0.1
Income Tax Rate Reconciliation Components (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Income Tax Disclosure [Abstract]      
Expected tax expense (benefit) at U.S. federal statutory tax rate $ (997) $ 1,893 $ (6,067)
State taxes, net of federal benefit 927 1,260 (9,094)
State tax valuation allowance (338) 748 711
Deferred impact of state tax law changes and elections 0 0 1,200
Equity-based compensation (10,234) (6,184) (9,597)
Limitation on executive compensation deduction 4,011 2,905 3,140
Other nondeductible items 114 33 65
Effective Income Tax Rate Reconciliation, Tax Credit, Amount (21,817) (949) (1,278)
Foreign tax expense 3,570 386 1,100
Other adjustments (1,487) 200 251
Income Tax Expense (Benefit) $ (26,251) $ 292 $ (19,569)
v3.24.0.1
Deferred Tax Assets (Liabilities) (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Income Tax Disclosure [Abstract]    
Long-term contracts $ 51,226 $ 52,553
Federal, state and foreign net operating losses, other carryforwards and tax credits 351,094 374,767
Other 26,676 24,553
Deferred Tax Assets, Gross 428,996 451,873
Deferred Tax Assets, Valuation Allowance (33,420) (34,643)
Deferred Tax Assets, Net of Valuation Allowance 395,576 417,230
Deferred Tax Liabilities Fixed Assets And Intangibles (425,980) (490,384)
Investment in joint venture (63,108) (48,754)
Deferred Tax Liabilities, Other (19,336) (27,976)
Deferred Tax Liabilities, Gross (508,424) (567,114)
Deferred Tax Liabilities, Net $ (112,848) $ (149,884)
v3.24.0.1
Unrecognized Tax Benefits (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]      
Unrecognized Tax Benefits $ 2,400 $ 0  
Internal Revenue Service (IRS) [Member]      
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]      
Unrecognized Tax Benefits 2,398 0 $ 0
Internal Revenue Service (IRS) [Member]      
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]      
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions 2,162 0  
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions $ 236 $ 0  
v3.24.0.1
Income Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Income Tax Disclosure [Abstract]    
Deferred income tax assets, net $ 1,800  
Deferred Income Tax Liabilities, Net 114,642 $ 151,569
Operating loss carryforwards 59,200 60,000
Deferred Tax Assets, Valuation Allowance 33,420 34,643
Deferred tax assets, in process research and development 32,300 12,100
Deferred tax assets, tax credit carryforwards, foreign 8,700 5,200
Foreign tax credit carry forward valuation allowance increase   500
Unrecognized Tax Benefits $ 2,400 0
Document Period End Date Dec. 31, 2023  
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards $ 59,200 60,000
Deferred Tax Assets, Valuation Allowance 33,420 34,643
Research Tax Credit Carryforward    
Income Tax Disclosure [Abstract]    
Deferred Tax Assets, Valuation Allowance 2,400  
Operating Loss Carryforwards [Line Items]    
Deferred Tax Assets, Valuation Allowance 2,400  
Domestic tax authority    
Income Tax Disclosure [Abstract]    
Operating loss carryforwards 257,400 296,400
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards 257,400 296,400
Foreign tax authority    
Income Tax Disclosure [Abstract]    
Deferred Tax Assets, Valuation Allowance 200 400
Operating Loss Carryforwards [Line Items]    
Deferred Tax Assets, Valuation Allowance 200 400
Foreign tax authority | Tax Year 2022 and Later    
Income Tax Disclosure [Abstract]    
Operating loss carryforwards 500 700
Operating Loss Carryforwards [Line Items]    
Operating loss carryforwards 500 700
State and Local Jurisdiction | Valuation Allowance, Operating Loss Carryforwards    
Income Tax Disclosure [Abstract]    
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount 33,000 33,300
Operating Loss Carryforwards [Line Items]    
Valuation allowance, deferred tax asset, increase (decrease), amount $ (33,000) $ (33,300)
v3.24.0.1
Net Income (Loss) Per Share - Schedule of Earnings Per Share, Basic and Diluted (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Denominator:      
Weighted average shares outstanding - basic 125,598 128,255 133,530
Weighted Average Number of Shares Outstanding, Diluted 127,215 130,134 133,530
Earnings Per Share, Basic and Diluted $ 0.12 $ 0.07 $ (0.07)
Net income (loss) $ 15,415 $ 8,722 $ (9,319)
v3.24.0.1
Net Income (Loss) Per Share - Anti-Dilutive Shares (Details) - shares
shares in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Performance Shares      
Antidilutive Securities [Line Items]      
Antidilutive securities excluded from computation of diluted earnings per share 0 210 183
Employee stock option      
Antidilutive Securities [Line Items]      
Antidilutive securities excluded from computation of diluted earnings per share 0 0 1,189
Restricted Stock      
Antidilutive Securities [Line Items]      
Antidilutive securities excluded from computation of diluted earnings per share 0 0 536
v3.24.0.1
Net Income Per Share (Details)
shares in Thousands
12 Months Ended
Dec. 31, 2023
shares
Antidilutive Securities [Line Items]  
Incremental Common Shares Attributable to Dilutive Effect of Contingently Issuable Shares 200
Restricted stock units (RSUs)  
Antidilutive Securities [Line Items]  
Antidilutive securities excluded from computation of diluted earnings per share 200
Antidilutive securities excluded from computation of diluted earnings per share 200
v3.24.0.1
Related Party Transaction Disclosure (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Related Party Transaction [Line Items]      
Related Party Transaction, Amounts of Transaction $ 3,500    
Revenues 790,723 $ 721,034 $ 614,500
Equity Method Investee [Member] | Hosting Agreement [Member]      
Related Party Transaction [Line Items]      
Revenues 14,400 16,100  
Equity Method Investee [Member] | Service Agreements      
Related Party Transaction [Line Items]      
Revenues 23,500    
Aireon      
Related Party Transaction [Line Items]      
Investor Bridge Loan Commitment 11,900    
Aireon | Equity Method Investee [Member]      
Related Party Transaction [Line Items]      
Accounts Receivable, after Allowance for Credit Loss 2,200    
Aireon | Equity Method Investee [Member] | Redeemable Preferred Stock      
Related Party Transaction [Line Items]      
Related Party Transaction, Amounts of Transaction $ 50,000    
Equity Method Investment, Ownership Percentage 6.00%    
Equity Method Investments, Fair Value Disclosure $ 44,600 $ 48,800  
Aireon | Equity Method Investee [Member] | Hosting Agreement [Member]      
Related Party Transaction [Line Items]      
Related Party Transaction, Amounts of Transaction 94,500    
Aireon | Equity Method Investee [Member] | Hosting Agreement [Member] | Forecast [Member]      
Related Party Transaction [Line Items]      
Related Party Transaction, Amounts of Transaction $ 200,000    
Aireon | Nonconsolidated Investees, Other      
Related Party Transaction [Line Items]      
Equity Method Investment, Ownership Percentage 39.50%    
Satelles Equity Investment      
Related Party Transaction [Line Items]      
Equity Method Investments, Fair Value Disclosure $ 21,800    
Satelles Equity Investment | Equity Method Investee [Member]      
Related Party Transaction [Line Items]      
Related Party Transaction, Amounts of Transaction $ 10,000    
Nonconsolidated Investees, Other | Satelles Equity Investment      
Related Party Transaction [Line Items]      
Equity Method Investment, Ownership Percentage 19.50%    
v3.24.0.1
Segments, Significant Customers, Supplier and Service Providers and Geographic Information Net Property and Equipment (Details) - USD ($)
$ in Thousands
Dec. 31, 2023
Dec. 31, 2022
Segment Reporting Information [Line Items]    
Property, plant and equipment, net $ 2,195,758 $ 2,433,305
United states    
Segment Reporting Information [Line Items]    
Property, plant and equipment, net 412,002 461,820
Satellites in orbit    
Segment Reporting Information [Line Items]    
Property, plant and equipment, net 1,782,000 1,968,999
All others    
Segment Reporting Information [Line Items]    
Property, plant and equipment, net $ 1,756 $ 2,486
v3.24.0.1
Segments, Significant Customers, Supplier and Service Providers and Geographic Information Revenue By Geographic (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Segment Reporting Information [Line Items]      
Revenues $ 790,723 $ 721,034 $ 614,500
United States      
Segment Reporting Information [Line Items]      
Revenues 431,476 374,687 330,948
Other countries      
Segment Reporting Information [Line Items]      
Revenues $ 359,247 $ 346,347 $ 283,552
v3.24.0.1
Segments, Significant Customers, Supplier and Service Providers and Geographic Information Narrative (Details)
12 Months Ended
Dec. 31, 2023
Rate
Dec. 31, 2022
Dec. 31, 2021
Segment Reporting Information [Line Items]      
No Single Customer Over 10% Total Revenue - Commercial 10.00% 10.00%  
No Single Customer Over 10% Total AR - Government 10.00% 10.00%  
No Single Customer Over 10% Total Revenue - Government 10.00% 10.00%  
No Single Country Greater than Stated Percentage - PP&E 10.00% 10.00%  
No Single Country or Region Representing More Than Stated Percentage of Total Revenue   10.00%  
Sales revenue, net | Customer Concentration Risk | Prime contracts with U.S. government      
Segment Reporting Information [Line Items]      
Concentration risk, percentage 25.00% 21.00% 21.00%
Accounts receivable | Customer Concentration Risk | Prime contracts with U.S. government      
Segment Reporting Information [Line Items]      
Concentration risk, percentage 46.00% 25.00%  
v3.24.0.1
Employee Benefit Plan Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Retirement Benefits [Abstract]      
Defined-contribution plan matching employees’ contributions vested percentage 100.00% 100.00%  
Maximum employee contribution percentage 100.00% 100.00%  
Maximum deferral contribution percentage 5.00% 5.00%  
Defined-contribution plan employer-matching contributions amount $ 4.3 $ 3.5 $ 3.5
v3.24.0.1
Subsequent Events (Details) - Subsequent Event [Member]
2 Months Ended
Feb. 15, 2024
$ / shares
Subsequent Event [Line Items]  
Dividends Payable, Date Declared Feb. 02, 2024
Dividends Payable, Amount Per Share $ 0.13
Dividends Payable, Date to be Paid Mar. 29, 2024
Dividends Payable, Date of Record Mar. 15, 2024
v3.24.0.1
Label Element Value
Share-Based Compensation, Selling, General and Administrative Expense irdm_ShareBasedCompensationSellingGeneralandAdministrativeExpense $ 39,985,000
Share-Based Compensation, Selling, General and Administrative Expense irdm_ShareBasedCompensationSellingGeneralandAdministrativeExpense 30,678,000
Share-Based Compensation, Cost of Services irdm_ShareBasedCompensationCostofServices 12,337,000
Share-Based Compensation, Cost of Services irdm_ShareBasedCompensationCostofServices 16,128,000
Share-Based Compensation, Property and Equipment, Net irdm_ShareBasedCompensationPropertyandEquipmentNet 4,018,000
Share-Based Compensation, Property and Equipment, Net irdm_ShareBasedCompensationPropertyandEquipmentNet 5,963,000
Share-Based Compensation, Research and Development irdm_ShareBasedCompensationResearchandDevelopment 1,282,000
Share-Based Compensation, Research and Development irdm_ShareBasedCompensationResearchandDevelopment 648,000
Share-Based Compensation, Equipment Expense irdm_ShareBasedCompensationEquipmentExpense 69,000
Share-Based Compensation, Equipment Expense irdm_ShareBasedCompensationEquipmentExpense 60,000
Share-Based Compensation, Inventory, Net irdm_ShareBasedCompensationInventoryNet 721,000
Share-Based Compensation, Inventory, Net irdm_ShareBasedCompensationInventoryNet 617,000
Hosted Payload and Other Data Services [Member]  
Revenue, increase (decrease) due to change in estimate irdm_RevenueIncreaseDecreaseDueToChangeInEstimate 2,300,000
Satellite System, Gross  
Impairment of Long-Lived Assets to be Disposed of us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf 37,500,000
Depreciation expense, Increase (decrease) due change in estimated useful life irdm_DepreciationExpenseIncreaseDecreaseDueChangeInEstimatedUsefulLife $ 27,800,000

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