The Knight"s Cross of the Iron Cross was awarded to recognise extreme battlefield bravery or successful military leadership. Ships attacked During his command of U-431 Schöneboom sank 4 merchant ships for 265 GRT and damaged one further ships so severely that it was a total loss of 6,415 GRT. Bibliography.
Iron Cross (1939) 2nd Class (July 1940) 1st Class (1 August 1941) Kriegsabzeichen für Minensuch-, U-Jagdund Sicherungsverbände (September 1940) U-boat War Badge (1939) (12 February 1943) Medaglia di bronzo al Valore Militare (10 August 1943) Knight"s Cross of the Iron Cross on 20 October 1943 as Oberleutnant zur See and commander of U-431.
