Air Force Satcom Program
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- The Wideband Global SATCOM system. The program intends to use both the Delta IV and the. Boeing was awarded an Air Force contract worth $182 million to begin.
FAB- T flight tests propel critical SATCOM program. FAB- T flight tests propel critical SATCOM program Posted 9/9/2. Updated 9/9/2.
Mission/Vision Defense Satellite Communications System (DSCS) constellation provides nuclear-hardened, anti-jam, high data rate, long haul communications to users worldwide. DSCS supports: the defense communications system, the Army's ground mobile forces, the Air Force's airborne terminals, Navy ships at sea, the White House Communications Agency, the State Department, and special users. Background The first DSCS III satellite was launched in October 1982. The final DSCS III satellite, B6, was launched in August 2003.
Air Force Sat.com
In all, DSCS III successfully launched 14 satellites, seven of which are still operational and continue to be used in various capacities, from operational communications in Southwest Asia to research and development of ground-based support capabilities. The MILSATCOM Systems Directorate, Space and Missile Systems Center (SMC), Los Angeles Air Force Base, Calif. Sustains the DSCS Space Segment under contract with Lockheed Martin Space Systems Company in Sunnyvale, Calif., who is responsible for DSCS satellite sustainment. Description DSCS III satellites support globally distributed Department of Defense (DoD) and national security users. The final 4 of 14 satellites received Service Life Enhancement Program (SLEP) modifications. These changes provide substantial capacity improvements through higher power amplifiers, more sensitive receivers, and additional antenna connectivity options. The DSCS communications payload includes six independent Super High Frequency (SHF) transponder channels that cover a 500 MHz bandwidth.
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Three receive and five transmit antennas provide selectable options for Earth coverage, area coverage and/or spot beam coverage. A special purpose single-channel transponder is also on board. Part of directorate's Wideband SATCOM Group, the DSCS III system provides the capabilities needed for effective implementation of worldwide military communications. It can adapt rapidly to dynamic operating conditions and perform under stressed environments. DSCS III operates with large or small terminals, and with Code Divisional Multiple Access, Frequency Division Multiple Access or Time Division Multiple Access multiplexing. DSCS's independent channels group users by operational needs or geographical location by allocating receiver sensitivity and transmitter power, thus providing maximum efficiency.
Mission 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.
Features The WGS system is a constellation of highly capable military communications satellites that leverage cost-effective methods and technological advances in the communications satellite industry. The WGS system is composed of three principal segments: Space Segment (satellites), Control Segment (operators) and Terminal Segment (users). WGS Space Vehicles (SVs) are the Department of Defense's highest capacity communications satellites. Each WGS satellite provides service in both the X and Ka frequency bands, with the unprecedented ability to cross-band between the two frequencies onboard the satellite. WGS augments the one-way Global Broadcast Service (GBS) service through new two-way Ka-band service.
Each WGS satellite is digitally channelized and transponded. These characteristics provide a quantum leap in communications capacity, connectivity and flexibility for U.S. Military forces and international partners while seamlessly integrating with current and future X- and Ka-band terminals. Just one WGS satellite provides more SATCOM capacity than the entire legacy Defense Satellite Communications System (DSCS) constellation. Background WGS provides essential communications services, allowing Combatant Commanders to exert command and control of their tactical forces, from peace time to military operations. Tactical forces will rely on WGS to provide high-capacity connectivity to the Defense Information Systems Network (DISN). International partners participating on the WGS program are Australia, Canada, Denmark, Luxembourg, The Netherlands and New Zealand.
The on-orbit WGS constellation is comprised of six satellites in geosynchronous orbit. The first WGS satellite was launched in October 2007. There are three Block I satellites (launched in October 2007, April 2009, December 2009) and three WGS Block II satellites (launched in January 2012, May 2013, and August 2013). Part of the Space and Missile Systems Center's MILSATCOM Directorate, the Wideband MILSATCOM Division is responsible for development, acquisition, fielding and sustainment of the WGS Program. Four Block II follow-on satellites are anticipated for launch between FY15 and FY 18.
WGS satellites are launched either via the Delta IV or the Atlas V Evolved Expendable Launch Vehicle. General characteristics Primary function: high-capacity military communications satellite Primary contractor: Boeing Defense, Space and Security Payload: transponded, cross-banded-X and Ka-band communications suite Antennas: electrically steerable, phased array X-band transmit and receive; mechanically steered Ka-band; and fixed Earth-coverage X-band Capability: 39 125-MHz Channels via digital channelizer/router, 2.1 Gbps capacity Launches WGS-1: Oct.
10, 2007 WGS-2: April 4, 2009 WGS-3: Dec. 5, 2009 WGS-4: Jan. 19, 2012 WGS-5: May 23, 2013 WGS-6: Aug. 7, 2013 WGS-7: TBD WGS-8: TBD WGS-9: TBD WGS- 10: TBD (Current as of November 2015) Point of Contact: Air Force Space Command; 150 Vandenberg St., Suite 1105; Peterson AFB, Colo.,; DSN 692-3731 or (719) 554-3731.