German submarine U-303 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. She saw service in the Atlantic Ocean and Mediterranean Sea, and sank one freighter of 4,959 GRT in her two short and uneventful war patrols. Built in 1941 and 1942 at Lübeck, U-303 was a Type VIIC U-boat, capable of lengthy ocean patrols and of operating in distant environments.
German submarine U-509 was a Type IXC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 1 November 1940 at the Deutsche Werft yard in Hamburg as yard number 305. She was launched on 19 August 1941, and commissioned on 4 November 1941 under the command of Korvettenkapitän Karl-Heinz Wolff.
German submarine U-98 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II, operating from March 1941 until she was sunk in November 1942.
German submarine U-502 was a Type IXC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 2 April 1940 at the Deutsche Werft yard in Hamburg with yard number 292, launched on 18 February 1941 and commissioned on 31 May under the command of Kapitänleutnant Jürgen von Rosenstiel.
German submarine U-125 was a Type IXC U-boat of Nazi Germany's Kriegsmarine during World War II. She was laid down at the DeSchiMAG AG Weser as yard number 988 on 10 May 1940, launched on 10 December and commissioned on 3 March 1941. In seven patrols, she sank 17 ships for a total of 82,873 gross register tons (GRT). The boat was a member of three wolfpacks. She was sunk on 6 May 1943. All 54 men on board died.
German submarine U-371 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 17 November 1939 in Kiel, launched on 27 January 1941, and commissioned on 15 March under the command of Oberleutnant zur See Heinrich Driver. After training, U-371 was ready for front-line service with the 1st U-boat Flotilla from 1 July 1941.
German submarine U-596 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. She was laid down on 4 January 1941 by Blohm & Voss in Hamburg as yard number 572, launched on 17 September 1941 and commissioned on 13 November under Kapitänleutnant Gunter Jahn. He was replaced on 28 July 1943 by Oberleutnant zur See Victor-Whilhelm Nonn who was superseded by Oblt.z.S. Hans Kolbus in July 1944.
German submarine U-37 was a Type IXA U-boat of the German Navy (Kriegsmarine) during World War II. The submarine was laid down on 15 March 1937 at the DeSchiMAG AG Weser yard in Bremen, launched on 14 May 1938, and commissioned on 4 August 1938 under the command of Kapitänleutnant Heinrich Schuch as part of the 6th U-boat Flotilla.
German submarine U-331 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II, famous for sinking the battleship HMS Barham.
German submarine U-79 was a Type VIIC U-boat of the Kriegsmarine built by the Bremer Vulkan-Vegesacker Werft, Bremen-Vegesack. Her keel was laid down on 17 April 1940, by Bremer Vulkan of Bremen-Vegesack, Germany as yard number 7. She was launched on 25 January 1941 and commissioned on 13 March, with Kapitänleutnant Wolfgang Kaufmann in command until the U-boat's loss.
German submarine U-443 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II.
German submarine U-74 was a Type VIIB U-boat of Nazi Germany's Kriegsmarine during World War II.
German submarine U-81 was a Type VIIC U-boat of the navy (Kriegsmarine) of Nazi Germany during World War II, famous for sinking the aircraft carrier HMS Ark Royal.
German submarine U-510 was a Type IXC U-boat of Nazi Germany's Kriegsmarine during World War II, which later served in the French Navy. The submarine was laid down on 1 November 1940 at the Deutsche Werft yard at Hamburg as yard number 306, launched on 4 September 1941, and commissioned on 25 November 1941 under the command of Korvettenkapitän Karl Neitzel.
German submarine U-77 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine built by the Bremer Vulkan-Vegesacker Werft, Bremen-Vegesack. Her keel was laid down on 28 March 1940, by Bremer Vulkan of Bremen-Vegesack, Germany as yard number 5. She was launched on 23 November 1940 and commissioned on 18 January 1941, with Oberleutnant zur See Heinrich Schonder in command until 2 September 1942, when he was succeeded by Oblt.z.S. Otto Hartmann, who remained in charge until the U-boat's loss.
German submarine U-652 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 5 February 1940 at the Howaldtswerke yard at Hamburg, launched on 7 February 1941, and commissioned on 3 April 1941 under the command of Oberleutnant zur See Georg-Werner Fraatz.
German submarine U-105 was a Type IXB U-boat of Nazi Germany's Kriegsmarine. She was ordered on 24 May 1938 as part of Germany's naval rearmament program. Her keel was laid down in Bremen on 16 November 1938. After roughly seven months of construction, she was launched on 15 June 1940 and formally commissioned into the Kriegsmarine on 10 September 1940.
German submarine U-97 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during the Second World War. She carried out thirteen patrols during her career, sinking sixteen ships and damaging a seventeenth. She was a member of two wolfpacks.
German submarine U-568 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. She conducted five patrols, sinking one merchant ship, two warships, and severely damaging another warship. On 28 May 1942, she was depth charged and sunk in the Mediterranean Sea; all hands survived.
German submarine U-661 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. She was laid down on 12 March 1941 by Howaldtswerke, Hamburg as yard number 810, launched on 11 December 1941 and commissioned on 12 February 1942 under Oberleutnant zur See Erich von Lilienfeld.
Nazi Germany 
