On the night of 13/14 October 1939, the Type VIIB U-boat U-47, on its second war patrol, penetrated the main Royal Navy base at Scapa Flow and sank the British

In August 1939, U-48, commanded by 'Vaddi' Schultze, took up a waiting position around England. Schultze showed himself to be a notable humanitarian: he address

Jeremy Dixon's highly illustrated book is the ideal guide to the Knight's Cross holders and their wartime service.

The story of the German submarine U-505 and its dramatic capture by the US Navy during WWII—told by one of its crewmen. Hans Goebeler is known as the man who

Otto Kretschmer was only in combat from September 1939 until March 1941 but was Germany's highest-scoring U-boat commander sinking 47 ships totaling 274,333 ton