CNN’s Erin Burnett examines the Cheyenne Mountain Complex, a bunker buried inside a mountain similar to Iran’s Fordow nuclear site.

The Cheyenne Mountain Complex, the alternate command center for the North American Aerospace Defense command (NORAD), has captured the imagination of storytellers since it was constructed in the ...

When it became operational in 1966, the Cheyenne Mountain Complex was the ultimate bomb shelter. ... Our computer screens were a monochromatic green.

The mountain has faced natural disasters in recent years, too. In 2013, a rainstorm sent rock and mud sliding down the mountain’s face, blocking the main entrance to the underground complex.

Colorado Gov. John Hickenlooper speaks while Air Force Space Command leader Gen. John Hyten listens Friday, April 15, 2016, during the 50th anniversary celebration of the Cheyenne Mountain Complex.

The establishment of Cheyenne Mountain created a central brain for air defense command and control and not just for the United States. Thanks to the Ogdensburg Declaration of 1940, the U.S ...

The emergence of varied terrorist threats such as suicide bombers “is what recommends to us that we don’t need to maintain Cheyenne Mountain in a 24/7 status. We can put it on ‘warm standby ...

COLORADO SPRINGS, Colo.--If there are two things that drive the folks at the world-famous Cheyenne Mountain complex crazy, it's the widely held public perceptions that, for one, the complex has ...

Because of ongoing threats, the Cheyenne Mountain complex is a 24/7 operation and can go into lockdown mode at a moment’s notice. The facility is a completely self-sufficient city inside a mountain.

Cheyenne Mountain Shooting Complex Opens. January 23, 2013 / 7:33 PM MST / CBS Colorado COLORADO SPRINGS, Colo. (AP) - One of the largest public outdoor shooting ranges in Colorado is open.

CNN.com is running an interesting story on the Cheyenne Mountain Complex being be partially mothballed in favor of less dramatic gigs more suited to the terrorist-state enemies than the Russians ...