![Top secret NORAD base buried deep inside Cheyenne Mountain opens its 23-ton blast doors | Daily Mail Online Top secret NORAD base buried deep inside Cheyenne Mountain opens its 23-ton blast doors | Daily Mail Online](https://i.dailymail.co.uk/i/newpix/2018/05/12/16/4C2357AD00000578-0-image-a-95_1526139246466.jpg)
Top secret NORAD base buried deep inside Cheyenne Mountain opens its 23-ton blast doors | Daily Mail Online
North American Aerospace Defense Command on Twitter: "Today the Cheyenne Mountain complex hosts the NORAD and @USNorthernCmd Alternate Command Center, in addition to several other units that support continental defense. #WeHaveTheWatch https://t.co ...
![File:Secretary of Defense Chuck Hagel speaks to reporters at Cheyenne Mountain Air Force Station in Colorado Springs, Colo., June 28, 2013 130628-F-VT441-082.jpg - Wikimedia Commons File:Secretary of Defense Chuck Hagel speaks to reporters at Cheyenne Mountain Air Force Station in Colorado Springs, Colo., June 28, 2013 130628-F-VT441-082.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/2/2d/Secretary_of_Defense_Chuck_Hagel_speaks_to_reporters_at_Cheyenne_Mountain_Air_Force_Station_in_Colorado_Springs%2C_Colo.%2C_June_28%2C_2013_130628-F-VT441-082.jpg)