The German Navy then and now designates an officer by the year he enters the Marineschule not the year he graduates. Thus many young officers who fought in World War Two were members of Crew 33 and 34.
Charles McCain is a Washington DC based freelance journalist and novelist. He is the author of "An Honorable German," a World War Two naval epic. You can read more of his work on his website: http://charlesmccain.com/ View all posts by Charles McCain