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 ...

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 ...

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 ...

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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 ...