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 ...

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 ...

As global tensions rise, many people are asking: is World War III possible? While no large-scale war has started, nations are preparing for worst-case scenarios. The United States has one of the most ...