During its construction in the 1960s, more than 693,000 tons of granite were blasted out to create a 4 1/2-acre cavern 60 feet high, sheltered by giant blast doors. Now, the Pentagon plans to put it on a standby status that also symbolizes a new era where less apocalyptic threats to America’s security now can come from a bewildering variety of sources.Ĭheyenne Mountain was a movie director’s dream.
Digital Replica Edition Home Page Close Menuįor four decades, the North American Air Defense Command’s complex deep inside Cheyenne Mountain near Colorado Springs was an icon of the Cold War.