X.1: The Royal Navy’s Mystery Submarine

The ‘X’ stood for experimental, but it might equally have meant extraordinary, exotic or extravagant, as this giant submarine attracted superlatives – … [Read more...]





U-48: The Most Successful U-Boat of the Second World War

Following the signing of the Treaty of Versailles in 1919, Germany was not permitted to build or operate submarines. Clandestine training about … [Read more...]





The Golden Horseshoe – The Wartime Career of Otto Kretschmer, U-Boat Ace

The legendary U-boat ace Otto Kretschmer was branded 'the wolf of the Atlantic', and for good reason. In his dramatic wartime career he sank ship … [Read more...]





The Secret Capture – U-110 and the Enigma Story

For fifteen years after the end of the war all official Admiralty records showed the German submarine U 110 as sunk on 9 May 1941 by the surface … [Read more...]