Pictures Kept Secret From Public For 22 Years, Finally Get Declassified

The Largest Secret Facility

Despite being the most extensive government facility in the United States, The Cheyenne Mountain Complex is shrouded in mystery. The entire complex is underground, and little about what happens inside is revealed.

Alamy Stock Photo

Reportedly, the complex has many purposes, but its principal purpose is to serve as the headquarters for the Air Force’s land-based ICBMs. And, of course, much like all the other top-secret government facilities, this one is also impregnable, even with nuclear blasts.