Minuteman ERCS
Missile · USA
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American strategic communications missile.
The ERCS (Emergency Rocket Communications System) provided a reliable and survivable connectivity between command posts and launch control centers. The ERCS UHF transmitters carried prerecorded force execution messages that were transmitted to all units within line of sight of a modified Minuteman ICBM's apogee. The Minuteman ERCS replaced the earlier Blue Scot ERCS and became operational in October 1967, using Minuteman II vehicles. In 1991 it was retired, replaced by satellite communications systems.
Initial Operational Capability: 1967.
More at: Minuteman ERCS.