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|Ordered:||9 October 1939|
|Laid down:||15 November 1940|
|Launched:||30 May 1942|
|Commissioned:||15 August 1942|
|Fate:||Sunk, 15 July 1943|
|Class and type:||Type VIIC submarine|
|Height:||9.60 m (31 ft 6 in)|
|Draught:||4.74 m (15 ft 7 in)|
|Complement:||4 officers, 40–56 enlisted|
|Victories:||2 commercial ships sunk (12,764 GRT)|
German submarine U-759 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 15 November 1940 at the Kriegsmarinewerft yard at Wilhelmshaven, launched on 30 May 1942, and commissioned on 15 August 1942 under the command of Kapitänleutnant Rudolf Friedrich.
German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-759 had a displacement of 769 tonnes (757 long tons) when at the surface and 871 tonnes (857 long tons) while submerged. She had a total length of 67.10 m (220 ft 2 in), a pressure hull length of 50.50 m (165 ft 8 in), a beam of 6.20 m (20 ft 4 in), a height of 9.60 m (31 ft 6 in), and a draught of 4.74 m (15 ft 7 in). The submarine was powered by two Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines producing a total of 2,800 to 3,200 metric horsepower (2,060 to 2,350 kW; 2,760 to 3,160 shp) for use while surfaced, two Garbe, Lahmeyer & Co. RP 137/c double-acting electric motors producing a total of 750 metric horsepower (550 kW; 740 shp) for use while submerged. She had two shafts and two 1.23 m (4 ft) propellers. The boat was capable of operating at depths of up to 230 metres (750 ft).
The submarine had a maximum surface speed of 17.7 knots (32.8 km/h; 20.4 mph) and a maximum submerged speed of 7.6 knots (14.1 km/h; 8.7 mph). When submerged, the boat could operate for 80 nautical miles (150 km; 92 mi) at 4 knots (7.4 km/h; 4.6 mph); when surfaced, she could travel 8,500 nautical miles (15,700 km; 9,800 mi) at 10 knots (19 km/h; 12 mph). U-759 was fitted with five 53.3 cm (21 in) torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes, one 8.8 cm (3.46 in) SK C/35 naval gun, 220 rounds, and two twin 2 cm (0.79 in) C/30 anti-aircraft guns. The boat had a complement of between forty-four and sixty.
After training with 5th U-boat Flotilla at Kiel, Germany, on 1 February 1943 U-759 was transferred to 9th U-boat Flotilla, based in Brest, France, for front-line service. She sailed on two combat patrols and sank two ships totalling 12,764 gross register tons (GRT). U-759 was sunk east of Jamaica on 15 July 1943 by depth charges from a US Navy Mariner patrol bomber. All hands were lost.
U-759 left Lorient on 7 June 1943 and sailed across the Atlantic to the Caribbean Sea. There on 5 July, about 70 nautical miles (130 km) west of Port-Salut, Haiti, she torpedoed the 3,513-ton American merchant ship Maltran, part of Convoy GTMO-134. The ship sank in 15 minutes, but all 47 aboard escaped in lifeboats, and were picked up by USS SC-1279.
Two days later, on 7 July, the U-boat torpedoed and sank the 9,251-ton Dutch cargo ship Poelau Roebiah, in convoy TAG-70, east of Jamaica. All but two of the 68 crew, along with 24 armed guards and 31 US passengers abandoned ship in four lifeboats and were later rescued. After sinking the Dutch ship the U-boat was pursued and attacked by the United States destroyer Tattnall (DD-125), but escaped. The next day, 8 July, U-759 was spotted and attacked by a United States Navy scout aircraft. Allied surface ships attacked for seven hours, but the U-boat evaded them and escaped unharmed.
U-759's luck finally ran out on 15 July 1943, when she was sunk by depth charges from a US Navy Mariner aircraft from Squadron VP-32 in the Caribbean, in approximate position . All 47 crew were lost.
U-759 took part in one wolfpack, namely.
|5 July 1943||Maltran||United States||3,513||Sunk|
|7 July 1943||Poelau Roebiah||Netherlands||9,251||Sunk|