US AIR FORCE / SCIENCE PHOTO LIBRARY US AIR FORCE / SCIENCE PHOTO LIBRARY
Trident missile preparation. Trident missile being loaded in to a missile cell on the submarine USS Francis Scott Key. Trident missiles are submarine-launched ballistic missiles that are armed with nuclear warheads. They have a range of 7,350 kilometres. This is a trident I, or C4, class missile. C4 missiles were deployed between 1979 and 2005 and were carried on 14 US Navy submarines and 4 Royal Navy submarines.
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