... This allowed force H of Gibraltar to sink the Bismarck. However Station X's greatest victory was the Battle of the Atlantic. The Germans were trying to stop trade between Britain and the USA. However station X managed to crack the Dolphin (German naval code) and in that month the number of ships sunk ha plummeted and German U-boats were forced to withdraw from the Atlantic. Of all operations none needed more accurate information than D-Day. In may station X found that the Germans were expecting the allies to land in Normandy, just before the main invasion on Calais. This allowed the allies to change there plan and allow D-Day to be a massive success. Although Bletchley had multiple success they did also fail, the Battle of Britain. Bletchley Park was unable to play an important role in the Battle of Britain because there code breaking skills were still premature. However they were ...

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