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NORAD

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NORAD
The North American Aerospace Defense Command (NORAD) is the largest bilateral military command center in the world. From deep inside a 9,000-foot mountain in Colorado, this centers mission is to monitor all enemy air threats on the United States and Canada. Join MegaStructures as we go inside NORAD to find out how engineers constructed this top secret fortress, including how it was built to withstand potential nuclear explosions.

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