Lists of U-boatsW
Lists of U-boats
BrandtaucherW
Brandtaucher
Dolphin-class submarineW
Dolphin-class submarine
Russian submarine ForelW
Russian submarine Forel
Gal-class submarineW
Gal-class submarine
List of most successful German U-boatsW
List of most successful German U-boats
Steinhuder HechtW
Steinhuder Hecht
TR-1700-class submarineW
TR-1700-class submarine
List of U-boat typesW
List of U-boat types
U-boatW
U-boat
Ula-class submarineW
Ula-class submarine