The launcher closure door lcd as it is officially called has a mass of 110 tons.
Missile silo sliding door.
Apart from offering its new owner a 6 000 pound blast doors the bunker is also protected.
The silo blast doors are at the bottom of a shaft that leads to the launch control center.
It is a steel plate with a layer of concrete on top of it.
The structures typically have the missile some distance below ground protected by a large blast door on top.
The lcd rests on three rails and can be pushed to one side of the silo prior to launch or for maintenance.
For nearly thirty.
Began developing the atlas missile system which placed the missiles in bases throughout the country.
The commander is forfeiting 3 045 in pay for each of two months and facing a discharge board.
The missile silo is leftover from the beginning of the cold war when the u s.
Us land based missile silos have a reinforced concrete door that slides over the silo.
The launcher closure door weighs approximately 110 tons and its design is to protect the minutman missile inside the launch facility from an enemy nuclear blast.
The electronic surveillance system is also still in place.
The access hatch for crews to service the missile is still there and the whole site is surrounded by the original eight foot security fence.
It is on rails.
This is a slightly longer version of the door closing using additional footage shot by david soll from the surface and greg macdonald from inside the silo.
In the event of a launch the door would be blown off the silo by sliding horizontally along rails which are still in place.
They are usually connected physically and or electronically to a missile launch control center.
The launcher closure door is the hexagon shaped concrete cap that seals off the minuteman missile inside its launch tube at the launch facility.
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The lcd is moved by a ballistic gas generator that uses highly pressurized gas to open the door.