On May 1941, the German U-boat U-110 was attacked in mid-Atlantic and forced to the surface. In the most dangerous circumstances, a boarding party from the escort HMS Bulldog searched the fatally damaged boat and found secret material – most significantly an undamaged Enigma machine together with its code books. The boarding and consequent discovery were skilfully kept secret from the surviving German crew and the following day the U-boat sank beneath the waves.It was not until 1959 that Stephen Roskill, official historian of the Royal Navy, felt compelled to put the record straight following exaggerated claims concerning the US Navy capture of an Enigman machine from U-505. Although and “The Secret Capture and ” revealed the deliberate deception surrounding the fate of U-110, it was necessarily discreet about the exact details because ULTRA was still secret. Nevertheless, it spelled out the crucial value of the capture to the war effort.This edition offers a fresh chance to read an enthralling account of an extraordinary episode, and the new introduction reveals for the first time its full significance to the history of allied code-breaking in World War II.

The Secret Capture: U-110 and the Enigma Story PDF

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