Captured U-boats

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Source: Wikipedia. Pages: 26. Chapters: French submarine Laubie (S610), German submarine U-1105, German submarine U-110 (1940), German submarine U-1230, German submarine U-219, German submarine U-2513, German submarine U-3008, German submarine U-3 (1935), German submarine U-505, German submarine U-510, German submarine U-530, German submarine U-862, German submarine U-977, HMS Graph, Roland Morillot (S613). Excerpt: HMS Graph (pennant number P715) was a German Type VIIC U-boat used by the British Royal Navy during World War II. Commissioned as the U-570 in the German Kriegsmarine in mid-1941, she was attacked and captured on her first patrol. She provided both the Royal Navy and United States Navy with significant information on German submarines, and carried out three combat patrols with a Royal Navy crew, becoming the only U-boat to see active service with both sides during the war. She was withdrawn from service in 1944 due to problems maintaining her. While being towed to the breakers for scrapping, she ran aground on an island off the west coast of Scotland. Some of the wreck was removed as scrap but some wreckage remains there to the present day. The submarine was built to the German Type VIIC design. She had a displacement of 769 tonnes (757 long tons) when surfaced, and 871 t (857 long tons) when submerged. The boat was 67.1 metres (220 ft 2 in) long, with a beam of 6.2 metres (20 ft 4 in), and a draught of 4.74 metres (15 ft 7 in). The diesel-electric propulsion system provided a maximum speed of 18.8 knots (34.8 km/h, 21.6 mph) surfaced or 7.6 knots (14.1 km/h, 8.7 mph) submerged. The U-570 had a fuel capacity of 109 long tons (111 t) which gave a range of 7, 500 nautical miles (13, 900 km) at 10 knots (19 km/h, 12 mph). The test depth of the submarine was 230 metres (750 ft). The main armament consisted of five 21 inches (533 mm) torpedo tubes, four in the bow, and the fifth in the stern. A total of 14 torpedoes could be carried - five in the torpedo tubes, seven reloads inside the pressure hull and a further two in water-tight canisters outside the pressure hull. The boat was fitted with a C35 88 mm/L45 deck gun (with around 150 rounds of ammunition) and a 2cm Flak 30 anti-aircraft gun. A 28 cm Stereoscopic rangefinder was carried for use with the anti-aircraft gun, and a number of machine guns were also carried. U-570 was laid down by Blohm & Voss at Hamburg on 21 Ma