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Rocket: Atlas 5 (AV-011)
Payload: First Wideband Global SATCOM
Date: Oct. 10, 2007
Window: 8:22-9:33 p.m. EDT (0022-0133 GMT)
Site: Complex 41, Cape Canaveral, Florida
Broadcast: G26, Transp. 14, C-band, 93° West

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WGS fact sheet
AIR FORCE FACT SHEET

Wideband Global SATCOM (WGS) provides flexible, high-capacity communications for the Nation's warfighters through operationalization of the Wideband Global SATCOM and associated control systems. WGS will provide a quantum leap in communications bandwidth for marines, soldiers, sailors and airmen.


Illustration shows a WGS satellite in space. Credit: Boeing
 
WGS is a multi-Service program that leverages commercial methods and technological advances in the satellite industry to design, build, launch and support a constellation of highly capable military communications satellites.

Upon its first launch into geosynchronous orbit in 2007, WGS Space Vehicle (SV) 1 will be the Department of Defense's highest capacity communications satellite. A constellation of five satellites will provide service in both the X and Ka-band frequency spectrums. WGS will supplant X-band communications now provided by the Defense Satellite Communications System (DSCS) and one-way Ka-band service provided by the Global Broadcast Service (GBS). Additionally, WGS will provide a new two-way Ka-band service.

These digitally channelized and transponded satellites provide a quantum leap in communications capacity, connectivity and flexibility for U.S. military forces while seamlessly integrating with existing and programmed X- and Ka-band terminals.

Background

WGS will provide essential communications services for Combatant Commanders to command and control their tactical forces. Tactical forces will rely on WGS to provide high-capacity connectivity into the terrestrial portion of the Defense Information Systems Network (DISN).

The first three WGS satellites will be launched in 2007 and 2008. Both the Delta 4 and Atlas 5 Evolved Expendable Launch Vehicles (EELV) will be used. Satellites 4 and 5 are anticipated for launch in 2011 and 2012.

The Wideband Global SATCOM system is composed of three principal segments: Space Segment (satellites), Control Segment (operators) and Terminal Segment (users). The MILSATCOM Systems Wing (MCSW) is responsible for development, acquisition fielding and sustainment of the WGS Program.

General Characteristics:

Primary Function: High-capacity military communications satellite
Primary Contractor: Boeing Satellite Development Center
Satellite Bus: Boeing 702
Weight: Approximately 13,000 lbs at launch, 7,600 lbs on-orbit
Orbit Altitude: 22,300 miles
Payload: Transponded, cross-banded-X and Ka-band communications suite
Antennas: 8 beam, transmit and receive X-band Phased arrays and 10 Ka-band Gimbaled Dish Antennas, 1 X-band Earth coverage
Capability: 39 125-MHz Channels via digital channelizer/router
Number of Terminals Supported: 92
Launch Vehicle: Delta 4 and Atlas 5 EELVs
Inventory: 5 on contract
Unit Cost: Approximately $350 million

(Current as of August 2007)

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