Add Yahoo as a preferred source to see more of our stories on Google. The NORAD Cheyenne Mountain Complex dates back to the height of the Cold War. Initially meant for defense against long-range ...

Escorting me out of his office, General Gregory Guillot pulls me aside to look at a few photos on the walls. We’re at the ...

Deep beneath the Colorado Rockies lies a top-secret fortress designed to keep America's military and political leaders alive if the unthinkable happens. The Cheyenne Mountain Complex, once the stuff ...

Two Colorado lawmakers expressed concern Tuesday about security issues at Peterson Air Force Base, the new home of the nation's premier air and space defense command that moved last month from ...

Deep inside a Colorado mountain lurks a remnant of the Cold War era. Buried 2,000 feet beneath Cheyenne Mountain is a secret military complex, where 15 buildings can seal themselves off from the rest ...

The NORAD Cheyenne Mountain Complex dates back to the height of the Cold War. Initially meant for defense against long-range Soviet bombers, it now provides backup and training. The self-sufficient ...