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1962 – Telstar (1 st TV SATCOM). US Military SATCOMs. UHF FOLLOW ON (UFO). US NAVY Global Satellite System. Mobile User Objective System (MUOS). USN programme; contract awarded 2004 5 Satellites ordered (4x Op, 1x On-Orbit spare) 1 st Sat launch due 13 Feb 12.
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UHF FOLLOW ON (UFO) US NAVY Global Satellite System
Mobile User Objective System (MUOS) • USN programme; contract awarded 2004 • 5 Satellites ordered (4x Op, 1x On-Orbit spare) • 1st Sat launch due 13 Feb 12
Defence Satellite Communication System (DSCS) 3 • USAF (Air Force SATCOM)
Wideband Global SATCOM (WGS) • Replacement for DSCS • 9 Satellites ordered • 4 of these launched by Feb 12
MILSTAR • Launched: 7 Feb 94 – 8 Apr 03
Advanced EHF • Replacement for MILSTAR • 1st launch 14 Aug 10 but…. • 2nd due Mar 12 • 6 Satellites ordered
UK Skynet 5 3 Satellites 4th due Nov 12
INMARSAT • British company • Largest commercial SATCOM company • Used by UK & US Military INMARSAT 4
Both are US commercial SATCOMs IRIDIUM is used by US & UK military IRIDIUM & GLOBALSTAR IRIDIUM GLOBALSTAR