Encyclopedia Astronautica
Military early warning sat


Category of spacecraft.

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Associated Spacecraft
  • Midas American military early warning satellite. 18 launches, 1960.02.26 (Midas 1) to 1966.10.05 (Midas 12). Part of a then-secret USAF program known as WS-117L, the MIDAS (Missile Defense Alarm System) program began in November 1958. More...
  • DSP American military early warning satellite. 23 launches, 1970.11.06 (IMEWS 1) to 2007.11.11 (USA 176). An evolving series of satellites built by the United States to detect intercontinental ballistic missiles on launch. More...
  • Oko Russian military early warning satellite. 86 launches, 1972.09.19 (Cosmos 520) to 2010.09.30. Work on the Soviet Union's first infrared ICBM launch detection satellite began in 1967 as the USK - space system to observe rocket launches. More...
  • Prognoz SPRN Russian military early warning satellite. 15 launches, 1975.10.08 (Cosmos 775) to 2008.06.26 (Cosmos 2397). Development began of the Soviet Union's Prognoz geosynchronous ballistic missile early warning satellite in 1980. More...

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