Things to know: 'The most secure facility in the world'

Things to know: 'The most secure facility in the world'CHEYENNE MOUNTAIN AIR FORCE STATION, Colo. (AP) — A quarter-century has passed since the end of the nuclear standoff between the United States and the former Soviet Union, but the famous U.S. military command center inside Colorado's Cheyenne Mountain is still alive, tracking new threats from new enemies.



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