Ballistic Missile Early Warning System

Ballistic Missile Early Warning System
radar network
Sketch of Clear Air Force Station BMEWS radars.
System Originator	United States
Location	BMEWS Central Computer and Display Facility
- coordinates	38°50′23″N 104°47′44″W / 38.83972°N 104.79556°W / 38.83972; -104.79556Coordinates: 38°50′23″N 104°47′44″W / 38.83972°N 104.79556°W / 38.83972; -104.79556 'in Colorado Site I: 76°34′08″N 68°19′05″W / 76.569°N 68.318°W / 76.569; -68.318 in Greenland Site II:64°15′22″N 149°11′08″W / 64.2561°N 149.1855°W / 64.2561; -149.1855 in Alaska (71st Det 2) Site III: 54°21′42″N 0°40′11″W / 54.3616°N 0.6697°W / 54.3616; -0.6697 in Yorkshire (71st Det 1) 10°44′34″N 61°36′29″W / 10.74278°N 61.60806°W / 10.74278; -61.60806 on Trinidad 39°58′49″N 74°54′04″W / 39.98028°N 74.90111°W / 39.98028; -74.90111in New Jersey (9th Det 3)
System Prime Contractor	RCA Defense Electronics Products
Constructed	1958–61 (complete FOC was January 15, 1964)

Site I: 76°34′08″N 68°19′05″W / 76.569°N 68.318°W / 76.569; -68.318 in Greenland
Site II:64°15′22″N 149°11′08″W / 64.2561°N 149.1855°W / 64.2561; -149.1855 in Alaska (71st Det 2) Site III: 54°21′42″N 0°40′11″W / 54.3616°N 0.6697°W / 54.3616; -0.6697 in Yorkshire (71st Det 1)
10°44′34″N 61°36′29″W / 10.74278°N 61.60806°W / 10.74278; -61.60806 on Trinidad
39°58′49″N 74°54′04″W / 39.98028°N 74.90111°W / 39.98028; -74.90111in New Jersey (9th Det 3)