Escape hatch
9 of 23 from Photos: Inside Cheyenne Mountain, America's Fortress
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In the highly unlikely case of a complete emergency in which none of the other exits are available, those inside the Cheyenne Mountain complex can leave via this tiny trap door, which offers a crawlspace out of the facility.
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June 27, 2009 6:00 AM PDT
Photo by: Daniel Terdiman/CNET
