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German submarine U-956 facts for kids

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The German submarine U-956 was a special kind of submarine called a Type VIIC U-boat. It was built for Nazi Germany's navy, the Kriegsmarine, during World War II.

This U-boat was started on 20 February 1942 at a shipyard called Blohm & Voss in Hamburg. It was launched into the water on 14 November 1942. U-956 officially joined the navy on 6 January 1943. Its first commander was Oberleutnant zur See Hans-Dieter Mohs.

Contents

History
Nazi Germany
Name U-956
Ordered 10 April 1941
Builder Blohm & Voss, Hamburg
Yard number 156
Laid down 20 February 1942
Launched 14 November 1942
Commissioned 6 January 1943
Fate Surrendered on 13 May 1945 at Loch Eriboll; sunk as part of Operation Deadlight on 17 December 1945
General characteristics
Class and type Type VIIC submarine
Displacement
  • 769 tonnes (757 long tons) surfaced
  • 871 t (857 long tons) submerged
Length
  • 67.10 m (220 ft 2 in) o/a
  • 50.50 m (165 ft 8 in) pressure hull
Beam
  • 6.20 m (20 ft 4 in) o/a
  • 4.70 m (15 ft 5 in) pressure hull
Draught 4.74 m (15 ft 7 in)
Installed power
  • 2,800–3,200 PS (2,100–2,400 kW; 2,800–3,200 bhp) (diesels)
  • 750 PS (550 kW; 740 shp) (electric)
Propulsion
Speed
  • 17.7 knots (32.8 km/h; 20.4 mph) surfaced
  • 7.6 knots (14.1 km/h; 8.7 mph) submerged
Range
  • 8,500 nmi (15,700 km; 9,800 mi) at 10 knots (19 km/h; 12 mph) surfaced
  • 80 nmi (150 km; 92 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth
  • 230 m (750 ft)
  • Crush depth: 250–295 m (820–968 ft)
Complement 4 officers, 40–56 enlisted
Armament
  • 5 × 53.3 cm (21 in) torpedo tubes (4 bow, 1 stern)
  • 14 × torpedoes or 26 TMA mines
  • 1 × 8.8 cm (3.46 in) deck gun (220 rounds)
  • 1 × twin 2 cm (0.79 in) C/30 anti-aircraft gun
Service record
Part of:
  • 5th U-boat Flotilla
  • 6 January – 30 June 1943
  • 1st U-boat Flotilla
  • 1 July – 31 December 1943
  • 11th U-boat Flotilla
  • 1 January – 30 September 1944
  • 13th U-boat Flotilla
  • 1 October 1944 – 8 May 1945
Commanders:
  • Oblt.z.S. / Kptlt. Hans-Dieter Mohs
  • 6 January 1943 – 13 May 1945
Operations:
  • 13 patrols:
  • 1st patrol:
  • 18 August – 13 September 1943
  • 2nd patrol:
  • a. 23 September – 4 November 1943
  • b. 5 – 8 November 1943
  • 3rd patrol:
  • 28 December 1943 – 7 January 1944
  • 4th patrol:
  • 8 – 18 January 1944
  • 5th patrol:
  • 25 January – 2 February 1944
  • 6th patrol:
  • 15 February – 2 March 1944
  • 7th patrol:
  • a. 23 March – 8 April 1944
  • b. 9 – 12 April 1944
  • c. 3 – 8 June 1944
  • d. 9 – 10 June 1944
  • e. 23 June 1944
  • 8th patrol:
  • a. 26 June – 24 July 1944
  • b. 24 July 1944
  • c. 27 – 28 August 1944
  • d. 28 August
  • 9th patrol:
  • a. 29 August – 5 September 1944
  • b. 6 – 8 September 1944
  • 10th patrol:
  • 14 September – 3 October 1944
  • 11th patrol:
  • 15 October – 24 November 1944
  • 12th patrol:
  • a. 11 December 1944 – 20 January 1945
  • b. 22 – 25 January 1945
  • 13th patrol:
  • 2 April – 13 May 1945
Victories:
  • 1 warship sunk
    (1,190 tons)
  • 1 merchant ship total loss
    (7,176 GRT)

About the U-956 Design

U-956 was a Type VIIC submarine. These were a common type of U-boat used by Germany. When it was on the surface, it weighed about 769 tonnes. When it was underwater, it weighed about 871 tonnes.

Size and Speed

The submarine was about 67.10 meters (220 feet) long. Its main body, called the pressure hull, was about 50.50 meters (165 feet) long. It could travel quite fast on the surface, reaching speeds of about 17.7 knots (32.8 km/h). Underwater, it was slower, moving at about 7.6 knots (14.1 km/h).

How it Moved

U-956 had two powerful diesel engines for moving on the surface. When it went underwater, it switched to two electric motors. It could dive to a depth of about 230 meters (750 feet). Its strongest point, called the crush depth, was between 250 and 295 meters (820 and 968 feet).

Weapons and Crew

The U-boat was armed with five torpedo tubes. Four were at the front and one was at the back. It carried 14 torpedoes, or it could carry 26 mines instead. It also had a large 8.8 cm deck gun and a twin 2 cm anti-aircraft gun to defend against planes. The crew usually had between 44 and 60 sailors.

Service History

U-956 started its journey with training. From January to June 1943, it was part of the 5th U-boat Flotilla. A flotilla is like a group of ships that work together.

After training, it became part of the 1st U-boat Flotilla in July 1943. Later, it joined the 11th U-boat Flotilla and then the 13th U-boat Flotilla. During its time in service, U-956 went on 13 patrols. These patrols were missions to find and attack enemy ships.

What Happened to U-956

U-956 survived the war until the very end. It surrendered on 13 May 1945 in a place called Loch Eriboll in Scotland. After the war, many German U-boats were sunk by the Allies so they couldn't be used again. This was part of something called Operation Deadlight. U-956 was moved to Northern Ireland and then sunk by naval gunfire on 17 December 1945.

Ships Attacked by U-956

U-956 attacked and damaged or sank two ships during its patrols.

Date Ship Name Nationality Tonnage Fate
30 December 1944 Tbilisi  Soviet Union 7,176 Total loss
16 January 1945 Dejatelnyj  Soviet Navy 1,190 Sunk
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