. "1944Z"^^ . "German World War II U-boat commander" . "," . . "Weimar Republic(to 1933)" . . "30th U-boat Flotilla" . . . . . "1913-05-11Z"^^ . "1932Z"^^ . "1913Z"^^ . . . "1944-10-05Z"^^ . "Rosenbaum, Helmut"@en . "Helmut Rosenbaum (11 May 1913 \u2013 10 May 1944) was a Korvettenkapit\u00E4n (corvette captain) in Nazi Germany's Kriegsmarine during World War II who commanded U-boat U-2, U-73 and the 30th U-boat Flotilla. He received the Knight's Cross of the Iron Cross, awarded to recognize extreme battlefield bravery or successful military leadership."@en . . "Helmut Rosenbaum"@en . .