German submarine U-410 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine during World War II, operating mainly in the Mediterranean. Her insignia was a sword & shield, she did not suffer any casualties until she was sunk. U-410 was first commanded by Kapitänleutnant Kurt Sturm during her working up/training period and on her first patrol before being commanded by Horst-Arno Fenski for her six combat patrols. U-410 sank seven merchantmen, a Landing ship, Tank (LST); and a light cruiser during the Second World War. For his successes, Fenski received the Knight's Cross. Design German Type VIIC submarines were preceded by the shorter Type VIIB submarines. U-410 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 Siemens-Schuckert GU 343/38–8 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-410 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, a twin , on Platform I, a , on Platform II and two MG 15 machine guns on the bridge. The boat had a complement of between forty-four and sixty. She carried two eight-man, one six-man and 58 one-man, rubber boats. Service history U-410 was ordered by the Kriegsmarine on 30 October 1939. She was laid down at the Danziger Werft yard in Danzig, on 9 January 1941 and launched on 14 October 1941. She was formally commissioned into the Kriegsmarine, on 23 February 1942. 1st and 2nd patrols U-410 departed Kiel on 27 August 1942 for her first patrol. The U-boat, under Kapitänleutnant Kurt Sturm, sank the British Newton Pine in mid-Atlantic. She then arrived in St. Nazaire in France on 28 October 1942, after 63 days at sea. Her second outing was not so productive; after 33 days she returned to