Engelbert Endrass was a German U-boat commander in World War II. He began his naval career in April 1935. After some months on the cruiser Deutschland and some escort ships, he was assigned in October 1937 to the U-boat force. He joined U-47 in December 1938 as Leutnant zur See. He was first Watch Officer when Günther Prien made his famous Scapa Flow attack and sank HMS Royal Oak. Wikipedia
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