•      An outgrowth of the Lincoln Experimental Satellite series and TACSAT-1 , FLTSAT was developed by the Navy to be the first complete operational system in space to serve the tactical user.

•      Two FLTSATs remain on orbit

–     FSC-7 (23.5 years) and FSC-8 (20.8 years)

•      Original five-year design life but the satellite bus on both are healthy and have sufficient fuel reserves

•      30 – 25kHz channels, 5 – 5kHz channels

–     Provides critical augmentation to the UFO system

•      Both FLTSATs are equipped with a FLTSAT Extremely High Frequency Package

–     Served as an in-orbit resource for conducting thorough and realistic test and evaluation of the MILSTAR EHF communications system. FEP was turned off in 2007