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Blast doors in a missile control bunker at Minot Air Force Base, North Dakota. 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.
This list of Operational Requirements for nuclear weapons shows known Operational Requirements (ORs) specifically for nuclear bombs intended for use by the Royal Navy ...
Lastly, there was a serious risk that wartime damage to airbases from a first strike using nuclear airburst or persistent chemical weapons attack would deny access to the bunkers for many weeks without actually destroying them, thus creating a much-feared "soft kill" scenario in which most of NATO's theater-based nuclear assets could be rapidly ...
A fallout shelter is a shelter designed specifically for a nuclear war, with thick walls made from materials intended to block the radiation from fallout resulting from a nuclear explosion. Many such shelters [1] were constructed as civil defense measures during the Cold War. A blast shelter protects against more conventional bomb blasts.
The bunker is built to deflect a 30 megaton nuclear explosion as close as 1.2 miles (1.9 km). [14] Within a mountain tunnel are sets of 25-ton blast doors and another for the civil engineering department. The doors were built so that they can always be opened when needed.
Bunkers deflect the blast wave from nearby explosions to prevent ear and internal injuries to people sheltering in the bunker. Nuclear bunkers must also cope with the underpressure that lasts for several seconds after the shock wave passes, and block radiation. A bunker's door must be at least as strong as the walls.
FORT PIERCE, Fla. — An "iron curtain" has descended here. Residents near a Cold War-era nuclear bomb shelter are wondering what the property's new owners are doing on the other side of the chain ...
Pages in category "Nuclear bunkers in the United States" The following 16 pages are in this category, out of 16 total. This list may not reflect recent changes. C.