German submarine U-551 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 21 November 1939 at the Blohm & Voss yard in Hamburg as yard number 527, launched on 14 September 1940, and commissioned on 7 November 1940 under the command of Kapitänleutnant Karl Schrott.
German submarine U-304 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. Built in 1941 and 1942 at Flender-Werke, Lübeck, U-304 was a Type VIIC U-boat, capable of lengthy ocean patrols and of operating in distant environments.
German submarine U-469 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II.
German submarine U-583 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II.
German submarine U-708 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. Ordered 6 August 1940, she was laid down 31 March 1941 and launched 24 March 1942. She was used only for training, and was captained by four different commanders during her 3-year life. She was scuttled on 5 May 1945 at Wilhelmshaven and her wreck was broken up in 1947.
German submarine U-668 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 11 October 1941 at the Howaldtswerke yard at Hamburg, launched on 5 October 1942, and commissioned on 16 November 1942 under the command of Oberleutnant zur See Wolfgang von Eickstedt.
German submarine U-675 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 9 April 1942 at the Howaldtswerke yard at Hamburg, launched on 8 May 1943, and commissioned on 14 July 1943 under the command of Oberleutnant zur See Karl-Heinz Sammler.
German submarine U-680 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 12 October 1942 at the Howaldtswerke yard at Hamburg, launched on 20 November 1943, and commissioned on 23 December 1943 under the command of Oberleutnant zur See Max Ulber.
German submarine U-715 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 28 March 1942 at the H. C. Stülcken Sohn yard at Hamburg, launched on 14 December 1942, and commissioned on 17 March 1943 under the command of Oberleutnant zur See Helmut Röttger.
German submarine U-717 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 24 April 1942 at the H. C. Stülcken Sohn yard at Hamburg, launched on 20 February 1943, and commissioned on 19 May 1943 under the command of Oberleutnant zur See Siegfried von Rothkirch und Panthen. Attached to 5th U-boat Flotilla based at Kiel, U-717 completed her training period on 31 July 1944 and was assigned to front-line service.
German submarine U-719 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 3 July 1942 at the H. C. Stülcken Sohn yard at Hamburg, launched on 28 April 1943, and commissioned on 27 July 1943 under the command of Oberleutnant zur See Klaus-Dietrich Steffens. Attached to 5th U-boat Flotilla based at Kiel, U-719 completed her training period on 30 April 1944 and was assigned to front-line service.
German submarine U-720 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 17 August 1942 at the H. C. Stülcken Sohn yard at Hamburg, launched on 5 June 1943, and commissioned on 17 September 1943 under the command of Leutnant zur See Wolf-Harald Schüer.
German submarine U-733 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 13 October 1941 at the Schichau-Werke yard at Danzig, launched on 5 September 1942, and commissioned on 14 November 1942 under the command of Oberleutnant zur See Wilhelm von Trotha.
German submarine U-742 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine built for service during World War II. Her keel was laid down on 12 May 1942 by Schichau-Werke of Danzig. She was commissioned on 1 May 1943 with Kapitänleutnant Heinz Schwassmann in command.
German submarine U-746 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine built for service during World War II. Her keel was laid down on 15 July 1942 by Schichau-Werke of Danzig. She was commissioned on 4 July 1943 with Tenente di vascello Augusto Biagini in command.
German submarine U-740 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine built for service during World War II. Her keel was laid down on 26 April 1942 by Schichau-Werke of Danzig. She was commissioned on 27 March 1943 with Oberleutnant zur See Günther Stark in command.
German submarine U-738 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine built for service during World War II. Her keel was laid down on 25 February 1942 by Schichau-Werke of Danzig. She was commissioned on 20 February 1943 with Oberleutnant zur See Erich-Michael Hoffmann in command.
German submarine U-747 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine built for service during World War II. Her keel was laid down on 19 August 1942 by Schichau-Werke of Danzig. She was commissioned on 17 July 1943 with Tenente di vascello Roberto Rigoli in command.
German submarine U-748 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine built for service during World War II. Her keel was laid down on 20 August 1942 by Schichau-Werke of Danzig. She was commissioned on 31 July 1943 with Capitano di Corvetta Mario Arillo in command.
German submarine U-749 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine built for service during World War II. Her keel was laid down on 28 September 1942 by Schichau-Werke of Danzig. She was commissioned on 14 August 1943 with Tenente di vascello Alberto Longhi in command.
Nazi Germany 
