Modern Marvels: At the height of the Cold War, America and Canada joined forces to build a warning system that would give the nations the ability to retaliate against a Soviet first strike. Over the years, NORAD (North American Aerospace Defense Command) has changed its mission several times, but the continent-wide network of radar stations linked to a massive subterranean command center remains a vital component of North America's military complex. NORAD traces the history of this incredible program, from the construction of the massive Cheyenne Mountain Operations Center under 2,000 feet of solid rock to its modern mission protecting forces worldwide. Discover why NORAD's commanders changed their focus from defense to warning, and go on-site at NORAD locations throughout America including a rare tour of the massive nerve center underneath the Rockies. Learn how NORAD protects the sovereignty of North American airspace, meet the men who run the vital project, and learn the chilling stories of narrowly averted Cold War disasters.

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Documentary, History