German World War II submarine
German submarine "U-720" was a Type VIIC U-boat of Nazi Germany's "Kriegsmarine" during World War II. The submarine was laid down on 17 August 1942 at the H. C. Stülcken Sohn yard at Hamburg, launched on 5 June 1943, and commissioned on 17 September 1943 under the command of "Leutnant zur See" Wolf-Harald Schüer.
Design.
German Type VIIC submarines were preceded by the shorter Type VIIB submarines. "U-720" 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 Garbe, Lahmeyer &amp; Co. RP 137/c 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-720" was fitted with five torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes, one SK C/35 naval gun, 220 rounds, and two twin C/30 anti-aircraft guns. The boat had a complement of between forty-four and sixty.
Service history.
"U-720" was surrendered on 5 May 1945, sank on 21 December 1945 as part of Operation Deadlight by artillery fire from , , , and in position .
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