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MILITARY TECHNOLOGY (MILTECH) is the world's leading international tri-service defence monthly magazine in the English language. MILITARY TECHNOLOGY is "Required Reading for Defence Professionals". Follow us on Twitter: MILTECH1

19 May 2015

Boeing WGS: High-Capacity Military Communications System

Boeing's Wideband Global SATCOM (WGS) provides worldwide flexible, high data rate and long haul communications, being a constellation of highly capable military communications satellites that leverage cost-effective methods and technological advances in the communications satellite industry. With launches since 2007, WGS Space Vehicles are one of the US Department of Defense's (DoD) highest capacity communications satellites. Each WGS satellite provides high capacity service in both the X and Ka frequency bands, with the unprecedented ability to cross-band between the two frequencies onboard the satellite. WGS supplements X-band communications, provided by the Defense Satellite Communications System and augments the one-way Global Broadcast Service through new two-way Ka-band service.

Each WGS satellite is digitally channelised and transponded. These characteristics provide a quantum leap in communications capacity, connectivity and flexibility for US 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 Defense Satellite Communications System constellation. International partners participating on the programme are Australia, Canada, Denmark, Luxembourg, The Netherlands and New Zealand.

WGS provides essential communications services, allowing commanders to exert command and control (C2) of their tactical forces, from peace time to military operations. Tactical forces rely on WGS to provide high-capacity connectivity to the Defense Information Systems Network. Part of the Wideband SATCOM Division of the Space and Missile Systems Center's MILSATCOM Directorate, the WGS system is composed of three principal segments: Space Segment (satellites), Control Segment (operators) and Terminal Segment (users). MILSATCOM is responsible for development, acquisition, fielding and sustainment of the WGS Programme. Block II follow-on satellites 7, 8, 9 and 10 are anticipated for launch in FY15, FY16, FY17, and FY18 respectively. Satellites are launched either via the Delta IV or the Atlas V Evolved Expendable Launch Vehicles.

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