Kriegsmarine
U-flottille emblem
Brest U-Boat base
German Type UB II submarine
Keroman submarine base, Lorient
Base sous-marine de Bordeaux
World War II submarines of Japan | U-Boot-Bunker Finkenwerder
Type VII submarines
Type X submarines
Type XXI submarines
German Type XXVII submarines
Type XXIII submarines
Submarines of Germany | German Molch submarines
Biber Submarines
World War I submarines of Germany
World War II submarines |
