Imperial German Navy
Also known as: Kaiserliche Marine · German Imperial Navy · Imperial Navy · German Navy
U-20 was a submarine of the Imperial German Navy. Walther Schwieger served as a submarine commander in the Imperial German Navy.
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Employed the commander
Walther Schwieger served as a submarine commander in the Imperial German Navy.
Operated U-20
U-20 was a submarine of the Imperial German Navy.
Directed naval administration
Tirpitz headed the Imperial Naval Office, the administrative authority for the Imperial German Navy.