S-2 was the second S-class submarine of the Soviet Navy. In early 1940, it entered Swedish territorial waters in the Sea of Åland where it hit a Swedish...

Soviet submarine S-363 was a Soviet Navy Whiskey-class submarine of the Baltic Fleet. Under the designation U137 it ran aground on 27 October 1981 on the...

S-13 was an S-class submarine of the Soviet Navy. Her keel was laid down by Krasnoye Sormovo in Gorky on 19 October 1938. She was launched on 25 April...

The S-class or Srednyaya (Russian: Средняя, "medium") submarines were part of the Soviet Navy's underwater fleet during World War II. Unofficially nicknamed...

S-80 was a diesel-electric submarine of the Soviet Navy. Its keel was laid down on 13 March 1950 at Krasnoye Sormovo as a Project 613 unit (NATO : Whiskey...

The S-99 (Russian: С-99) experimental submarine was the only ship of the Project 617 class (codenamed Whale) that the Soviet Union built during the early...

Submarines of the Soviet Navy were developed by numbered "projects", which were sometimes but not always given names. During the Cold War, NATO nations...

S-1 (Russian: С-1) was the lead ship of the S-class submarines of the Soviet Navy. It participated in the Winter War and the Soviet annexation of the...

S-3 was the third boat of the S-class submarines of the Soviet Navy. The submarine took part in the Winter War and the Soviet annexation of the Baltic...

ballistic-missile submarine that served in the Pacific Fleet of the Soviet Navy. It was one of six Project 629 strategic ballistic-missile submarines assigned...