Following is a transcript of the video. Narrator: During the Cold War, the US government built numerous missile silos in secret locations across the country. Many sit empty and useless today.

It’s a big room ... missile complexes contained three missile launch silos, a bunch of associated equipment, propellant terminals, a powerhouse, a control center, antennas and a number ...

What is it like to film inside the last remaining Titan II missile silo in the United States ... this scene from Command and Control takes viewers minute-by-minutes through the harrowing incident.

In 1963, the United States armed 54 missile silos with launchable nuclear bombs, which could travel some 6,000 miles each and kill millions of people, flash-blind hundreds of thousands and leave a ...