Rolf Mützelburg was a German U-boat commander during World War II and a recipient of the Knight's Cross of the Iron Cross with Oak Leaves of Nazi Germany. Mützelburg died on active service on 11 Septe

The Knight's Cross of the Iron Cross, or simply the Knight's Cross, and its variants, were the highest awards in the military and paramilitary forces of Nazi Germany during World War II. It was lower