Career
The Knight"s Cross of the Iron Cross was awarded to recognise extreme battlefield bravery or successful military leadership. As a U-boat commander of U-143 and U-107 Harald Gelhaus is credited with the sinking of 19 ships (including the Steamship Clan Alpine) for a total of 100,373 gross register tons (GRT) and further damaging one ship of 10,068 GRT. Ships attacked As a U-boat commander of U-143 and U-107 Gelhaus is credited with the sinking of 19 ships for a total of 100,373 gross register tons (GRT) and further damaging one ship of 10,068 GRT. Dates of rank Bibliography.