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German submarine ''U-438'' was a Type VIIC U-boat of Nazi Germany's ''Kriegsmarine'' during World War II. The submarine was laid down on 25 April 1940 at the Schichau-Werke yard as yard number 1480 in Danzig, launched on 6 September 1941 and commissioned on 22 November 1941 under the command of ''Kapitänleutnant'' Rudolf Franzius. The city of Berlin adopted the submarine within the popular sponsorship programme (''Patenschaftsprogramm''), organising gifts and holidays for the crew and earning her the honorary name of U-438 ''Berlin''. The U-boat served with the 8th U-Boat Flotilla for her training and later with the 9th Flotilla from 1 August 1942 to her loss on 6 May 1943. ''U-438'' completed four patrols, sinking three ships, totalling and damaging one ship totalling . She was a member of ten wolfpacks. ==Design== German Type VIIC submarines were preceded by the shorter Type VIIB submarines. ''U-438'' had a displacement of when at the surface and while submerged. She had a total length of , a pressure hull length of , a beam of , a height of , and a draught of . The submarine was powered by two Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines producing a total of for use while surfaced, two AEG GU 460/8–27 double-acting electric motors producing a total of for use while submerged. She had two shafts and two propellers. The boat was capable of operating at depths of up to . The submarine had a maximum surface speed of and a maximum submerged speed of . When submerged, the boat could operate for at ; when surfaced, she could travel at . ''U-438'' was fitted with five torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes, one , 220 rounds, and an anti-aircraft gun. The boat had a complement of between forty-four and sixty. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「German submarine U-438」の詳細全文を読む スポンサード リンク
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