German submarine U-972 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. Construction U-972 was laid down on 15 June 1942 at the Blohm & Voss yard in Hamburg, Germany. She was launched on 22 February 1943 and commissioned on 8 April 1943 under the command of Oberleutnant zur See Klaus-Dietrich König. Her U-boat emblem was a skull with tophat. When she was completed, the submarine was long, with a beam of , a height of and a draft of . She was assessed at submerged. The submarine was powered by two Germaniawerft F46 four-stroke, six-cylinder supercharged diesel engines producing a total of for use while surfaced and two BBC GG UB 720/8 double-acting electric motors producing a total of for use while submerged. She had two shafts and two propellers. The submarine was capable of operating at depths of up to , had a maximum surface speed of and a maximum submerged speed of . When submerged, the U-boat could operate for at and when surfaced, she could travel at . The submarine was fitted with five torpedo tubes (four fitted at the bow and one at the stern), fourteen torpedoes, one deck gun (220 rounds) and a Flak M42 anti-aircraft gun. The boat had a complement of 44 to 57 men. Service history U-972 was used as a Training ship in the 5th U-boat Flotilla from 8 April 1943 until 30 November 1943 where she had been trained and tested at the individual commands (UAK, TEK, AGRU-Front, etc.) and had been part of Ausbildungsflottillen (26th U-boat Flotilla, 27th U-boat Flotilla, etc.) for remaining works and equipment, before serving in the 6th U-boat Flotilla for active service on 1 December 1943. Wolfpacks U-972 took part in four wolfpacks, namely: Coronel (15 – 17 December 1943) Sylt (18 – 23 December 1943) Rügen 1 (23 – 28 December 1943) Rügen 2 (28 December 1943 – 1 January 1944) Patrol and loss During her active service, U-972 made one patrol. She left Kiel on 30 November 1943 with 49 crew members and made her way to her operational area in the North Atlantic. Her patrol lasted 16 days before U-972 sent her last radio message on 15 December 1943 from approx. position in the North Atlantic. The submarine was ordered to operate with several wolfpacks during the following weeks and was only reported missing on 1 February