U-99
Commanded by the most successful U-boat ace of World War II, KK Otto Kretschmer, who sank most of his 41 Allied merchantmen totaling 238,768 tons while in command of this submarine from April 1940 to March 1941. After the war Kretschmer rose to a senior position in the Bundesmarine.

Type: VII B
Built: Germaniawerft, Kiel
Keel laid: 31 March 1939
Launched: 12 March 1940
Commissioned: 18 April 1940
Commander: KK Otto Kretschmer
Fate: Sunk 17 March 1941 in a convoy action north of the Hebrides by destroyer HMS Walker. Most of the crew survived as prisoners of war.