NORADBlast-Doors

Författare/Upphovsman:

USAF photo.

Kreditera:

https://www.cheyennemountain.af.mil

• Transferred from English Wikipedia; en:File:NORADBlast-Doors.jpg

Kort länk:

https://sewiki.info/b/52d49

Källa:

Wikimedia Commons

Upplösning:

4600 x 3485 Pixel (1680254 Bytes)

Beskrivning:

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.

Licens:

Public domain