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German submarine ''U-853'' was a Type IXC/40 U-boat of Nazi Germany's ''Kriegsmarine'' during World War II. Her keel was laid down on 21 August 1942 by DeSchiMAG AG Weser of Bremen. She was commissioned on 25 June 1943 with ''Kapitänleutnant'' Helmut Sommer in command. ''U-853'' saw action during the Battle of the Atlantic in World War II. She conducted three patrols, sinking two ships totalling 5,783 tons. On her final patrol, ''U-853'' was sent to harass United States coastal shipping. She destroyed near Portland, Maine. Just days before Germany's surrender, ''U-853'' torpedoed and sank the collier ''Black Point'' during the Battle of Point Judith. American warships quickly found ''U-853'' and sank her east of Block Island, Rhode Island, resulting in the loss of her entire crew. ''U-853'' is a popular deep sea diving site. She rests in of water. Holes in the hull permit access to the interior of the submarine, though it is a war grave with most of the 55 crew bodies remaining inside. ==Design== German Type IXC/40 submariness were slightly larger than the original Type IXCs. ''U-853'' had a displacement of when at the surface and while submerged. The U-boat 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 MAN M 9 V 40/46 supercharged four-stroke, nine-cylinder diesel engines producing a total of for use while surfaced, two Siemens-Schuckert 2 GU 345/34 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, it could operate for at ; when surfaced, she could travel at . ''U-853'' was fitted with six torpedo tubes (four fitted at the bow and two at the stern), 22 torpedoes, one , 180 rounds, and a as well as a anti-aircraft gun. The boat had a complement of forty-eight. 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-853」の詳細全文を読む スポンサード リンク
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