German submarine U-652
German submarine U-652
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German submarine U-652

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German submarine U-652

German submarine U-652 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 5 February 1940 at the Howaldtswerke yard at Hamburg, launched on 7 February 1941, and commissioned on 3 April 1941 under the command of Oberleutnant zur See Georg-Werner Fraatz.

Attached to 3rd U-boat Flotilla based at Kiel, U-652 completed her training period on 30 June 1941 and was assigned to front-line service. In September 1941 she was involved in the "Greer Incident", attacking and being counter-attacked by the supposedly neutral American destroyer Greer (DD-145), an incident that brought the United States closer to war with Germany. As a direct result of the Greer incident the US President Franklin D. Roosevelt gave a speech on 11 September 1941 in which he confirmed that all US ships had been ordered to shoot on sight at all Axis ships and submarines in the Battle of the Atlantic. U-652 was transferred to 29th U-boat Flotilla based at La Spezia, Italy on 1 January 1942. She was scuttled on 2 June 1942.

German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-652 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 Siemens-Schuckert GU 343/38–8 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-652 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 a 2 cm (0.79 in) C/30 anti-aircraft gun. The boat had a complement of between 44 and 60.

U-652 left Kiel on 19 June 1941 and sailed to Bökfjord near Kirkenes, via Horten Naval Base and Trondheim, arriving on 22 July. Her first combat patrol began the next day, on 23 July, patrolling the coast of the Kola Peninsula. There on 6 August at 19:00 she torpedoed and sank the 558 GRT Soviet despatch vessel PS-70 seven miles off Cape Teriberka, about 50 kilometres (31 mi) east of Murmansk. The 12 survivors from the crew of 57 were rescued by motorboats sent from the nearby coast. This was the first U-boat success in the Arctic Sea.

The U-boat returned to Kirkenes on 7 August after 16 days at sea, and after two days headed for Trondheim, arriving there on 13 August.

U-652 sailed from Trondheim on 23 August 1941 and headed out into the Atlantic waters between Greenland and Iceland.

As part of wolfpack Grönland, at 00:44 on 26 August the U-boat fired a spread of three torpedoes at a British naval convoy running south-south-east and observed a hit on the 10,917 GRT auxiliary minelayer HMS Southern Prince, which soon came to a halt. Another torpedo was fired at the vessel at 00:53, but missed. The destroyers HMS Lightning and Lamerton sailed from Scapa Flow to assist the damaged ship and escorted her to The Minches. She was repaired at Belfast.

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