Helmut Rosenbaum
| Helmut Rosenbaum | |
|---|---|
 |
|
| Born |
11 May 1913 Döbeln |
| Died | 10 May 1944 (aged 30) near Constanţa, Romania |
| Allegiance |
 Weimar Republic (to 1933) Nazi Germany
|
| Service/branch |
 Reichsmarine Kriegsmarine
|
| Years of service | 1932–44 |
| Rank | Korvettenkapitän (posthumous) |
| Unit |
Köln Königsberg Nürnberg U-35, U-27, U-26 |
| Commands held |
U-2, U-73 30th U-boat Flotilla |
| Battles/wars | |
| Awards | Knight's Cross of the Iron Cross |
Helmut Rosenbaum (11 May 1913 – 10 May 1944) was a Korvettenkapitän (LT Commander) 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. He is credited with the sinking of six ships for a total of 35,171 gross register tons (GRT) and three warships.
Born in Döbeln, Rosenbaum joined the Reichsmarine (navy of the Weimar Republic) in 1932. After a period of training on surface vessels and service on various U-boats during the Spanish Civil War, he took command of his first U-boat in 1939. After torpedoing and sinking the HMS Eagle on 11 August 1942, Rosenbaum was appointed commander of the 30th U-boat Flotilla. He was killed in an aircraft crash on 10 May 1944.
Helmut Rosenbaum began his naval career with the Reichsmarine on 15 August 1932 as a late for the year member of "Crew 32" (the incoming class of 1932). He underwent basic military training in the 2nd department of the standing ship division of the Baltic Sea in Stralsund (15 August 1932 – 7 October 1932). Rosenbaum was then transferred to the training ship Edith (14 October 1932 – 21 October 1932), attaining the rank of Seekadett (midshipman) on 4 November 1932. Following a 14-month stay on board the light cruiser Köln (6 November 1932 – 2 January 1934) he advanced in rank to Fähnrich zur See (officer cadet) on 1 January 1934. Rosenbaum then underwent a number of officer training courses at the Naval Academy at Mürwik and Kiel-Wik, including navigational training cruises on the tender Weser and Nordsee, before transferring to the cruiser Königsberg (19 April 1935 – 26 September 1935). Following his stay on Königsberg he was promoted to Oberfähnrich zur See (Senior Ensign) on 1 September 1935. Rosenbaum then attended more training courses, including a naval artillery course (27 September 1935 – 3 December 1935) and an anti U-boat defense course (4 December 1935 – 14 December 1935), before being posted to the cruiser Nürnberg (15 December 1935 – 11 October 1936). During this assignment Rosenbaum received his officer's commission holding the rank Leutnant zur See (Second Lieutenant) as of 1 January 1936. His stay on Nürnberg was interrupted in February and March to attend another training course at Kiel-Wik.
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