Matrosengefreiter Otto Baumgärtner (10 March 1921 - 2 April 1945). Otto Baumgärtner was a part of U-boat 71 & got Uboot Abseichen &. After that, she moved to the 24th U-boat Flotilla as a training submarine (1 June 1943 - 30 June 1944), then to the 22nd flotilla also as a training boat from 1 July 1944 until 1 February 1945.