UHF - Ultra-High Frequency

FLTSATCOM, AFSATCOM, LEASAT and UHF Follow­On support tactical mobile forces. Strategic users will be shifted to Milstar. UHF has the advantage of low cost user terminals that can operate well with small, portable antennas. The capacity is relatively low, however it is adequate to support single channel voice circuits. UHF has a relatively low capability to resist jamming of the satellites.

U.S. Military UHF Communications Satellites Status April 1, 1997 
The following satellites are currently active in providing U.S. military and
National Command Authority users with ultra-high-frequency (UHF) worldwide
communications. 
Satellite             Launch Date        Assigned Position 
FLTSAT 7          05 Dec 86           CONUS (100° West) 
UFO 6               22 Oct 95            CONUS (105° West) 
FLTSAT 8          25 Sep 89           Atlantic (23° West) 
UFO 7               25 Jul 96             Atlantic (23° West) 
UFO 3               24 Jun 94            Atlantic (15° West) 
FLTSAT 4          31 Oct 80            Pacific (172° East) 
UFO 4               28 Jan 95            Pacific (177° West) 
FLTSAT 1          09 Feb 78            Indian Ocean (72° East) 
UFO 2               02 Sep 93            Indian Ocean (72° East) 
UFO 5               31 May 95           Indian Ocean (72.5° East)