NORADBlast-Doors

Autor:

USAF photo.

Credit:

https://www.cheyennemountain.af.mil

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

Krótki link:

https://plwiki.pl/b/c3e45

źródło:

Wikimedia Commons

Wymiary:

4600 x 3485 Pixel (1680254 Bytes)

Opis:

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.

Licencja:

Public domain