German submarine U-965 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. She was ordered on 5 June 1941, and was laid down on 4 May 1942 at Blohm & Voss, Hamburg, as yard number 165. She was launched on 14 January 1943 and commissioned under the command of Oberleutnant zur See Klaus Ohling on 25 February 1943. Design German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-965 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 & 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-965 was fitted with five torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes or 26 TMA mines, one SK C/35 naval gun, 220 rounds, and one twin C/30 anti-aircraft gun. The boat had a complement of between 44 — 52 men. Service history U-965 had a recorded three attacks on her and one lost crewmember, but she actually came under four attacks, the fourth sinking her. On 6 February 1944, one day after leaving Narvik, Leutnant zur See Gustav-Günther Schoop, the I.WO (1st Watch Officer), fell overboard and drowned. On 17 May 1944, four days out of Bergen, U-965 developed serious technical problems and was forced to return to base. U-965 encountered an enemy submarine four hours after turning back for base. The enemy submarine fired a spread of torpedoes, which all missed. U-965 was on her second war patrol when, at 13:05 hrs on 20 July 1944, she came under attack in the Norwegian Sea by a British B-24 Liberator of 59 Squadron/N RAF piloted by F/O D.A. Willows, after locating her on radar. The B-24 passed U-965 two miles astern trying to come in on a favorable approach on her