The RCA 474L Ballistic Missile Early Warning System was a United States Air Force Cold War early warning radar, computer, and communications system, for ballistic missile detection. The network of twe
Three of the huge AN/FPS-50 radars, BMEWS Site 2, near Anderson, Alaska, in 1962
BMEWS tracking monitors in the Thule Tactical Operations Room, which were upgraded in 1987
4 AN/FPS-50 detection reflectors at Thule Site J. The concrete foundation included a large refrigeration system to prevent the curing concrete's heat from melting the permafrost
Fylingdales AN/FPS-49 radomes in 1986
Missile Defense Alarm System
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The Missile Defense Alarm System, or MIDAS, was a United States Air Force Air Defense Command system of 12 early-warning satellites that provided limited notice of Soviet intercontinental ballistic mi
A MIDAS infrared sensor.
