Soviet submarine K-21

69°04′52″N 33°25′59″E / 69.0810624°N 33.4329968°E / 69.0810624; 33.4329968

K-21 as a museum ship displayed at Severomorsk Courage Square, Murmansk, Russia.
History
USSR EnsignSoviet Union
NameK-21
Laid down10 December 1937
Launched16 August 1939
Commissioned30 November 1940
StatusMuseum ship in Murmansk since 1982.
General characteristics
Displacement
  • 1490 tons surfaced
  • 2600 tons submerged
Length97.65 m
Beam7.4m
Draft4.51m
Propulsion2-shaft diesel electric, 8400-hp diesel, 2400-hp electric
Speed
  • surface – up to 22.5 knots
  • submerged – 10 knots
Range14,000 nm at 11 knots
Test depth230 ft (70 m)
Complement67 (10 officers)
Armament
  • 6 × bow torpedo tubes
  • 2 × stern torpedo tubes
  • 2 × external stern torpedo tubes(24 torpedoes)
  • 2 × 100 mm guns, 2 – 45 mm guns, 20 mines
Service record
Part of: Northern Fleet

Soviet submarine K-21 is a K-class submarine of the Soviet Navy during World War II.[1][2]

Construction

The boat was laid on 10 December 1937 in Leningrad and launched on 16 August 1939. On 3 February 1941, it was commissioned as part of the Baltic Fleet under the command of Nikolai Lunin. On 17 September 1941, it was reenlisted in the Northern Fleet.

Service history

On its first war patrol, K-21 laid 11 mines in the Strait of Best-Sung. On the morning of 27 November 1941, one of the mines struck and sank the Norwegian transport Bessheim.[3] Between 9 November 1941 and 31 March 1942, K-21 unsuccessfully engaged three merchant ships and one German auxiliary patrol vessel. On 21 January 1942, Norwegian fishing boat F-223N Ingøy was sunk by gunfire from K-21.[4]

Attack on Tirpitz

On 5 July 1942, K-21 was in the vicinity of the Island of Ingay when she spotted the German battleship Tirpitz which was en route to intercept Convoy PQ 17 which was traveling from Iceland to Murmansk. However this mission was unsuccessful as the Tirpitz turned away. The convoy itself scattered upon hearing words of Tirpitz's imminent arrival, and most of the convoy's merchant ships were picked off by U-boats and the Luftwaffe.[1]

On 27 June 1942, the K-21 received an order to take up a combat position to cover Convoy PQ-17. Later, the submarine received a radiogram telling that a German squadron consisting of the battleship Tirpitz, the heavy cruiser Admiral Scheer, and several destroyers were moving to intercept the PQ-17 convoy. K-21 began to search for the enemy squadron. On 5 July, at 4:33 pm, noise of approaching propellers was heard. The squadron was maneuvering in a zigzag pattern. The first ships to be seen were destroyers of the 1936 class, and they covered Tirpitz and the cruiser Admiral Scheer from possible attacks from submarines. The commander of K-21 decided to attack. K-21 bypassed the destroyers' protective barrier and went inside the squadron. Having approached to a distance of almost 13,000 feet the submarine fired a four torpedo spread from stern torpedo tubes towards the Tirpitz. Acoustics and crew members in the compartments of the submarine heard two explosions however, after the war, historians in German documents did not find evidence of torpedoes making contact with the battleship; the Germans did not even take notice of the attack. Historian M.E. Morozov put forward a hypothesis about the impossibility of torpedoes hitting the battleship, and he explained the origin of the explosions saying that the torpedoes detonated early. There are no references to Lunin's attack in the Tirpitz documents of the event. K-21 sank four small Norwegian motor boats via gunfire on 12 February 1943 at Lopphavet. On 22 April 1943, the German merchant ship Duna was sunk by a mine laid by K-21 on 18 February 1943. In May 1945, the boat was repaired.[4]

Postwar

October 1948, K-21 made the first Soviet submarine voyage off the coast of the United States. From 6 to 14 April 1949 the boat took part in oceanographic work in the area of the Novaya Zemlya archipelago.[5]

After withdrawal from service, for about 20 years she served as a training ship.

In the spring of 1981, she was moved to the city of Polyarny, Murmansk Oblast to be converted into a museum ship. After reworking three compartments for the exposition (the other 4 remained virtually unchanged) was put on a pedestal (immersed in water at high tide) as a museum in Severomorsk, Russia. The museum was opened in 1983. In the late 1990s, the boat underwent some general repairs. From 2008 to 2009, the museum was renovated.[6]

Awards and achievements

On 23 October 1942, the K-21 submarine was awarded the Order of the Red Banner.

Summary of raiding history

Ships sunk by K-21[4]
Date Ship Flag Tonnage Notes
21 November 1941 Bessheim Norway 1,774 GRT Freighter (mine)
21 January 1942 Ingøy Norway 15 GRT Fishing boat (gunfire)
9 July 1942 UJ-1110 Nazi Germany 527 GRT submarine chaser (mine)(also claimed by K-3)
12 February 1943 unknown name Norway (small) fishing boat (gunfire)
12 February 1943 unknown name Norway (small) fishing boat (gunfire)
12 February 1943 unknown name Norway (small) fishing boat (gunfire)
12 February 1943 unknown name Norway (small) fishing boat (gunfire)
12 April 1943 unknown name Norway (small) fishing boat (gunfire)
12 April 1943 unknown name Norway (small) fishing boat (gunfire)
12 April 1943 unknown name Norway (small) fishing boat (gunfire)
12 April 1943 unknown name Norway (small) fishing boat (gunfire)
22 April 1943 Duna Nazi Germany 1,926 GRT Freighter (mine)
14 September 1943 Frei Norway 40 GRT Fishing boat (gunfire)
Total: 4,282 GRT

On 14 September 1943 other three small Norwegian fishing boats (Havatta, Baren and Eyshteyn) were attacked with gunfire but escaped despite damage.[4]

References

  1. ^ a b А. В. Платонов, (2004). Энциклопедия советских подводных лодок 1941–1945, Полигон. ISBN 5170249047.
  2. ^ Lambert, (1986). Warship, Volume 10. Naval Institute Press. ISBN 0851774490.
  3. ^ D/S Bessheim, Warsailors
  4. ^ a b c d K-21
  5. ^ Военно-исторический журнал. 2015. № 7. С. 42.
  6. ^ Музей Северного флота обновит свою экспозицию, rosbalt.ru, 29/12/2008

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