Image: NORADBlast-Doors
Size of this preview: 791 × 599 pixels. Other resolutions: 317 × 240 pixels | 4,600 × 3,485 pixels.
Original image (4,600 × 3,485 pixels, file size: 1.6 MB, MIME type: image/jpeg)
Description: The 25-ton blast door in the Cheyenne Mountain nuclear bunker is the main entrance to another blast door (background) beyond which the side tunnel branches into access tunnels to the main chambers. NORAD, Cheyenne Mountain, Colorado.
Title: NORADBlast-Doors
Credit: https://www.cheyennemountain.af.mil Transferred from English Wikipedia; en:File:NORADBlast-Doors.jpg
Author: USAF photo.
Usage Terms: Public domain
License: Public domain
Attribution Required?: No
Image usage
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