U-boat War Badge - Wikipedia

What is the definition of a U-Boat badge? Did Admiral Dönitz ever wear one? - Quora

Lot 261 - Third Reich. A WWII U-Boat War Badge by

WW2 Third Reich U-boot Kriegsabzeichen - U-Boat War Badge. No makers mark.

badge, German, U-boat War Service badge in gold

Nazi Germany, U-boat War Badge, a nice example –

German submarine U-124 (1940) - Wikipedia

Otto Kretschmer - Wikipedia

DSS2 U-Boat, Dynamic Ship Simulator III Wiki

Battle of the Atlantic - Wikipedia

File:WW2 Norway Kriegsmarine German navy Officer's white summer uniform jacket tunic Brustadler EK Submarine War Badge + 9. U-Flottille Laughing swordfish U-boat captain Lehmann-Willenbrock etc Lofoten Krigsminnemuseum Museum.jpg - Wikimedia Commons