K-56

K-56 was one of a dozen double-hulled K-class submarine cruisers built for the Soviet Navy during the late 1930s. The submarine's construction was interrupted by the Axis powers' invasion of the Soviet Union in June 1941 and the subsequent Siege of Leningrad, delaying her commissioning into the Baltic Fleet until 1942. She could not do anything other than training until the siege was broken and Estonia liberated in 1944. Her three wartime patrols were not very successful.

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Wikidata
beam 7.4 metre, draft 4.51 metre, length 97.65 metre, 
K-class submarine, cruiser submarine, Soviet Navy, 

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Location: KML, Cluster Map, Maps,

1940-12-29T00:00:00Z

1940-12-29T00:00:00Z

ship launching

1937-10-17T00:00:00Z

1937-10-17T00:00:00Z

keel laying

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Frameless

Type	Subtype	Date	Description	Notes	Source