The Cheyenne Mountain Complex is a military installation and defensive bunker located in unincorporated El Paso County, Colorado, next to the city of Colorado Springs, at the Cheyenne Mountain Air ... An off-site testing facility was established in Colorado Springs by NORAD in late 1979 or early 1980 so that system ...
Built: May 18, 1961 – February 8, 1966
In use: : Cheyenne Mountain Complex; NORAD ...
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