Orbital ATK Technologies Support Delta IV Launch of WGS-9 Spacecraft
March 20 2017 - 8:00AM
Business Wire
Company Provided Propulsion, Large Composite
Structures for the Rocket and Critical Components on the
Satellite
Orbital ATK (NYSE:OA), a global leader in aerospace and defense
technologies, provided propulsion, composite and spacecraft
technologies to enable the successful launch of both the United
Launch Alliance (ULA) Delta IV rocket and the ninth Wideband Global
SATCOM (WGS-9) satellite that was launched yesterday from Cape
Canaveral Air Force Station, Florida.
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Cape Canaveral Air Force Station, Fla.
(March 18, 2017) - A United Launch Alliance (ULA) Delta IV rocket
carrying WGS-9 mission lifts off from Space Launch Complex-37 at
8:18.m. ET. Photo by United Launch Alliance (Photo: Business
Wire)
“Orbital ATK’s is proud to contribute a number of key
technologies to ULA’s Delta IV launch vehicle,” said Scott Lehr,
President of Orbital ATK’s Flight Systems Group. “A launch like
this one clearly demonstrates the breadth of our product lines in
the launch and satellite sectors.”
Both the satellite and Delta IV launch vehicle use cutting-edge
technologies from multiple Orbital ATK facilities. For the WGS-9
satellite, Orbital ATK produced both loop heat pipes and standard
heat pipes, which provide payload, spacecraft bus and battery
thermal management, at its Beltsville, Maryland, facility.
Additionally, Orbital ATK manufactured the payload pallet boom
tubes at its Magna, Utah, location and the payload module at its
San Diego, California, site.
For the Delta IV rocket, Orbital ATK provided four 60-inch
diameter Graphite Epoxy Motors (GEM-60). The 53-foot-long solid
rocket boosters burned for 90 seconds and provided more than 1.1
million pounds of thrust, more than the combined thrust of four 747
jet aircraft. Orbital ATK produced the solid rocket motors at its
Magna, Utah, facility, where it has manufactured 84 GEM-60s in
support of the 36 Delta IV launches since the initial flight in
2002.
In addition to the GEM-60 propulsion, Orbital ATK supplied a
combined eighteen Delta IV and GEM-60 key composite structures,
which provide lower weight and higher performance. The largest
composite structures are five meters in diameter, range from one to
fourteen meters in length, and are produced using either advanced
wet winding or hand layup, machining and inspection techniques at
Orbital ATK’s manufacturing facilities in Iuka, Mississippi, and
Clearfield, Utah.
Orbital ATK also manufactured the propellant tank for the Delta
IV upper stage roll control system at the company’s Commerce,
California, facility, and it designed and manufactured the nozzles
for Delta IV's RS-68A liquid engine and GEM-60 solid motors at its
Promontory, Utah, facility. Orbital ATK also designed and produced
the nozzle's thermal protection material, which is capable of
shielding the nozzle from the extreme heat of launch, when external
temperatures can exceed 4,000 degrees Fahrenheit.
The WGS-9 satellite is part of a larger system that increases
military communications capabilities for U.S. and allied forces
deployed worldwide. As the backbone of the U.S. military's global
satellite communications, WGS provides flexible, high-capacity
communications for the Nation's warfighters through procurement and
operation of the satellite constellation and the associated control
systems. WGS provides worldwide flexible, high data rate and long
haul communications for marines, soldiers, sailors, airmen, the
White House Communication Agency, the US State Department,
international partners, and other special users.
About Orbital ATK
Orbital ATK is a global leader in aerospace and defense
technologies. The company designs, builds and delivers space,
defense and aviation systems for customers around the world, both
as a prime contractor and merchant supplier. Its main products
include launch vehicles and related propulsion systems; missile
products, subsystems and defense electronics; precision weapons,
armament systems and ammunition; satellites and associated space
components and services; and advanced aerospace structures.
Headquartered in Dulles, Virginia, Orbital ATK employs
approximately 12,500 people in 18 states across the U.S. and in
several international locations. For more information, visit
www.orbitalatk.com.
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version on businesswire.com: http://www.businesswire.com/news/home/20170320005425/en/
Media:Orbital ATK Propulsion SystemsHillary Searle,
801-657-9627Communications
Leadhillary.searle@orbitalatk.comorInvestor:Orbital ATK,
Inc.Barron Beneski, 703-406-5528Public and Investor
Relationsbarron.beneski@orbitalatk.com
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