HMS Urge was a U class submarine built by Vickers Armstrong in Barrow-in-Furness and launched in 1940. She conducted two patrols off Norway before heading to the Mediterranean. On her way to the Mediterranean, she deprived German U boats of vital fuel by sinking a large tanker in the Bay ...
enigma codes to a manageable few, then used for further analysis. Later, at least two-hundred of the machines were built and placed in differing military locations all over England, the United States Navy designed their own version as well. By knowing the location of the German U-boats, the...