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MILITARY COMMUNICATIONS
Boeing to Build More Wideband Global SATCOM Satellites for USAF
by Staff Writers
El Segundo, CA (SPX) Jan 20, 2012

The WGS communications payload has unique flexibility that is important to the military, as well as the ability to interconnect terminals that operate in different frequency bands and to reposition coverage beams based on evolving mission needs.

Boeing has received authorization from the U.S. Air Force to produce and launch the eighth and ninth Wideband Global SATCOM (WGS) satellites. The WGS-9 authorization and the WGS-8 production option, which was authorized last month, have a combined value of $673 million and are part of the $1.09 billion contract modification announced by the Air Force in September 2011.

"With these options exercised, we are able to expand the WGS constellation and provide communications resiliency for combatant commanders worldwide," said Craig Cooning, vice president and general manager of Boeing Space and Intelligence Systems.

"This will give warfighters the ability to ensure that vital communication links are available at all times, even in the event that one or more critical nodes are disabled."

WGS-8 and -9 will join four other satellites that are part of the Block II series. Block II adds a switchable radio frequency bypass that enables the transmission of airborne intelligence, surveillance and reconnaissance imagery at data rates approximately three times greater than the rates available on Block I satellites.

WGS-9 is being funded through a cooperative agreement that the U.S. Air Force has forged with Canada, Denmark, the Netherlands, Luxembourg and New Zealand. This expands the WGS international partnership beyond WGS-6, which was funded by the Australian government in 2008.

"International participation in WGS is a win-win arrangement on many levels," said Cooning. "Use of common SATCOM systems provides communications interoperability between allied forces.

"For the U.S. military, the partners bring additional funding to expand the constellation and make it more resilient. And for a relatively modest investment, international partners receive immediate access to worldwide services that they might not otherwise be able to obtain."

WGS satellites are built on the proven Boeing 702HP platform, which features highly efficient xenon-ion propulsion, deployable thermal radiators, and advanced triple-junction gallium-arsenide solar arrays that enable high-capacity, flexible payloads.

The WGS communications payload has unique flexibility that is important to the military, as well as the ability to interconnect terminals that operate in different frequency bands and to reposition coverage beams based on evolving mission needs.

WGS supports missions including tactical communications to and between ground forces, and relaying data and imagery from airborne intelligence, surveillance and reconnaissance platforms.

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MILITARY COMMUNICATIONS
Fourth Boeing Wideband Global SATCOM Satellite Ready for Liftoff
El Segundo, CA (SPX) Jan 19, 2012
Boeing has announced that the fourth Wideband Global SATCOM (WGS) satellite the company is delivering to the U.S. Air Force has successfully completed prelaunch testing and is ready for launch. WGS-4, the first spacecraft in the program's upgraded Block II series, is scheduled to launch at 7:38 p.m. Eastern time on Jan. 19 aboard a United Launch Alliance Delta IV vehicle from Cape Canavera ... read more


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