1. Klaus Ewerth was a German U-boat commander in World War II.

1. Klaus Ewerth was a German U-boat commander in World War II.
Klaus Ewerth reached the rank of Kapitan zur See with the Kriegsmarine during World War II.
Klaus Ewerth commissioned the first German U-boat since World War I, the small Type IIA U-1 on 29 June 1935.
Klaus Ewerth left the U-1 on 30 September 1936 to prepare for his next command.
Klaus Ewerth commissioned the new Type VIIA U-35 on 3 November 1936.
Klaus Ewerth then commissioned the new U-36 on 16 December 1936.
From November 1938 to August 1939, Ewerth served as an instructor at the Naval Academy Murwik.
Klaus Ewerth then commanded the U-26 from 1 August 1939 to 3 January 1940.
Klaus Ewerth went out on two patrols with the boat, spending 74 days at sea.
Klaus Ewerth sank 4 ships during these patrols, 3 of them were lost to mines laid by U-26.
From January 1940 to February 1943 Klaus Ewerth served in several staff positions with the U-Boat Command before being assigned to U-boat familiarization in preparation for his command of a new U-boat from March to April 1943.
On 17 April 1943, Klaus Ewerth commissioned the huge new Type IXD boat U-850.