- Second World War (1939-1945)
- Oberleutnant zur See
- Kommandant, 18. Vorpostenflotille, Kriegsmarine
- Awarded on:
- April 24th, 1944
Awarded for his performance as a German Vorpostenboot captain. By the time Wulff had received the Knight's Cross he had served for 5 years at sea. He and his crew had defeated multiple British torpedo boat attacks and shot down two aircraft.