Mastodawn

NORAD's Cheyenne Mountain Combat Center, C.1966

https://flashbak.com/norad-cheyenne-mountain-combat-center-478804/

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Inside NORAD's Cheyenne Mountain Combat Center, c.1966 - Flashbak

A look around the North American Air Defense Command (NORAD) Cheyenne Mountain Combat Center underground facility.

Flashbak