| abstract | - German submarine U-73 was a Type VIIB U-boat of the Kriegsmarine (German Navy) during World War II. She was laid down by Bremer Vulkan of Bremen-Vegesack, Germany as 'Werk' 1 on 5 November 1939, launched on 27 July 1940 and commissioned on 30 September of the same year under Kapitänleutnant (Kptlt.) Helmut Rosenbaum. U-73 carried out 15 patrols between early 1941 and late 1943, sinking eight ships and four warships. She also damaged a further three commercial vessels. She was a member of five wolfpacks. She was sunk by two US warships, USS Woolsey and USS Trippe, off the North African coast on 16 December 1943 at .
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