German World War II submarine
German submarine "U-3508" was a Type XXI U-boat of Nazi Germany's "Kriegsmarine" during World War II. The "Elektroboote" submarine was laid down on 25 July 1944 at the Schichau-Werke yard at Danzig, launched on 22 September 1944, and commissioned on 2 November 1944 under the command of "Oberleutnant zur See" Detlef von Lehsten.
He commanded the U-boat during her entire career, being promoted to "Kapitänleutnant" during this time. She did not carry out any patrols during her career, spending her entire time in training after having been allocated to the 8th U-boat Flotilla until 15 February 1945, then to the 5th U-boat Flotilla from 16 February until 4 March.
Design.
Like all Type XXI U-boats, "U-3508" had a displacement of when at the surface and while submerged. She had a total length of , a beam of , and a draught of . The submarine was powered by two MAN SE supercharged six-cylinder M6V40/46KBB diesel engines each providing , two Siemens-Schuckert GU365/30 double-acting electric motors each providing , and two Siemens-Schuckert silent running GV232/28 electric motors each providing .
The submarine had a maximum surface speed of and a submerged speed of . When running on silent motors the boat could operate at a speed of . When submerged, the boat could operate at for ; when surfaced, she could travel at . "U-3508" was fitted with six torpedo tubes in the bow and four C/30 anti-aircraft guns. She could carry twenty-three torpedoes or seventeen torpedoes and twelve mines. The complement was five officers and fifty-two men.
Fate.
She was sunk on 4 March 1945 in an Allied bombing raid by US Eighth Air Force B-24 Liberator bombers on Wilhelmshaven.
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