the Trygg class was a class of three torpedo boats built for the Royal Norwegian Navy and that they were all sunk during World War II, two after having been captured by the German Kriegsmarine?
the German Mine Sweeping Administration, a naval mine sweeping organisation made up of former members of the Kriegsmarine of Nazi Germany, was under command of the Royal Navy?
the Urakami class destroyer Kawakaze of the Imperial Japanese Navy was built in Scotland, sold to the Regia Marina of Italy and sunk as a ship of the Kriegsmarine of Nazi Germany?
the Worek Plan, a submarine operation by the Polish Navy in the early days of the Polish September Campaign, was a failure as the submarines did not manage to sink a single German vessel?
the captured Yugoslav seaplane tender Zmaj was used for shipboard trials of the Flettner Fl 282 Kolibri (Hummingbird) helicopter by the Kriegsmarine in 1942–43?
the Ersatz Yorck class battlecruisers, although not completed, served as the basis for the Scharnhorst class battleships of the Kriegsmarine?
in its last completed season in 1943–44, out of twelve clubs in the Gauliga Pommern, five belonged to the German Luftwaffe (Air Force), one to the Kriegsmarine (Navy) and one to the Heer (Army)?
Unsinkable Sam was a ship's cat of both the Kriegsmarine and Royal Navy during the Second World War who survived the sinking of all three ships on which he served?
Vorpostenboot, the patrol boats that the Kriegsmarine used in World War II, were in fact modified fishing ships?
U-1022 was commissioned into the Kriegsmarine on June 7, 1944, the day after the Allied invasion of Normandy?
during the Second World War, SS Hispania was detained by the French, seized by the Vichy French, declared a war prize, passed to the Kriegsmarine and eventually sold back to her original owners?
Hel Fortified Area was in 1939 the last place of Poland to surrender to the invading Wehrmacht, and during World War II it was used as a Kriegsmarine base?