Two geostationary satellites – MARECS A (launched on Dec. 20, 1981)
and MARECS-B2 (launched on Nov. 10, 1984 – that formed part of Inmarsat's
global maritime communications satellite network. The program began as the
experimental Maritime Orbital Test Satellite (MAROTS) in 1973, but subsequently
evolved into an operational system resulting in a name change, a satellite
redesign, and delayed development.
AND SPACE PROBES