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Submarines of World War II represented a wide range of capabilities with many types of varying specifications produced by dozens of countries. The principle countries engaged in submarine warfare during the war were Germany, Italy, Japan, the United States, United Kingdom and the Soviet Union. The Italian and Soviet fleets were the largest.
This is the maximum depth at which a submarine is permitted to operate under normal peacetime circumstances, and is tested during sea trials.The test depth is set at two-thirds (0.66) of the design depth for United States Navy submarines, while the Royal Navy sets test depth at 4/7 (0.57) the design depth, and the German Navy sets it at exactly one-half (0.50) of design depth.
A submarine, though, could dive and escape aerial attack. Four submarines including the Balao-class boat Threadfin prototyped the concept at the end of World War II but were not used in this role. [43] Ten fleet submarines were converted for this role 1946-53 and redesignated SSR as radar picket submarines. Burrfish was the only Balao-class SSR.
For the Mk 10 and Mk 12 type mines used in World War II, each torpedo could be replaced by as many as two mines, giving the submarine a true maximum capacity of 48 mines. However, doctrine was to retain at least four torpedoes on mine laying missions, which further limits the capacity to 40 mines, and this is often stated as the maximum in ...
The maximum safe diving depth of the I-400-class submarine was only 82% of its overall length, which presented problems if the submarine dived at too steep an angle in an emergency. [19] Because of their large aircraft hangars and conning tower, all I-400 -class boats had significant visual and radar signatures on the surface, and could be ...
The Tambor-class submarine was a United States Navy submarine design, used primarily during World War II. They were the USN's first fully successful fleet submarine, and began the war close to the fighting. Six of the class were in Hawaiian waters or the Central Pacific on 7 December 1941, with Tautog at Pearl Harbor during the attack. [4]
USS Harder (SS-257), a Gato-class submarine, was the first ship of the United States Navy to be named for the harder, a fish of the mullet family found off South Africa.One of the most famous submarines of World War II, she received the Presidential Unit Citation. [6]
This is a list of submarines of World War II, which began with the German invasion of Poland on 1 September 1939 and ended with the surrender of Japan on 2 September 1945. Germany used submarines to devastating effect in the Battle of the Atlantic , where it attempted to cut Britain's supply routes by sinking more merchant ships than Britain ...