... to start breaking the code and producing the perforated sheets. The capture of German vessels and military personnel who held clues to the solving of enigma including the capture of two extra wheels in February 1940 supplied to German Naval Enigma operators, adding to the five wheels that already existed, on U-33 which was sunk of the coast of west Scotland but these new wheels were going to help but they just baffled the British cryptographers to begin with. In April 1940 a German trawler is captured off the coast of Norway along with the Enigma operators' logs, some Enigma settings and explanations specifying how the Naval Enigma indicating system worked. More German vessels are captured containing vital information about reading enigma messages are captured from 4 March to the end of June enabling the British to work out how the enigma machines work. In March 1943 the code breakers at ...

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