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Arlington Hall had delayed study of the Army codes until 1942 because of the "high payoff" from diplomatic codes, but were not successful with Army codes until 1943. [ 18 ] The fourteen-part message breaking off negotiations with the United States in December 1941 on the eve of Pearl Harbor was in Purple; and was translated by the Americans in ...
The poem code is a simple and insecure, cryptographic method which was used during World War II by the British Special Operations Executive (SOE) to communicate with their agents in Nazi-occupied Europe. The method works by having the sender and receiver pre-arranging a poem to use. The sender chooses a set number of words at random from the ...
A two-front war scenario, almost identical to the first World War would eventually aggregate in the European theatre during World War II, when Nazi Germany confronted allied France, Great Britain, Belgium, the Netherlands and later the United States in the west and the Soviet Union to the east. [31]
[1] [2] [3] A similar break into the most secure Japanese diplomatic cipher, designated Purple by the US Army Signals Intelligence Service, started before the US entered the war. Product from this source was called Magic. On the other side, German code breaking in World War II achieved some notable successes cracking British naval and other ...
This is a list of known World War II era codenames for military operations and missions commonly associated with World War II. As of 2022 [update] this is not a comprehensive list, but most major operations that Axis and Allied combatants engaged in are included, and also operations that involved neutral nation states.
A well-known sign/countersign used by the Allied forces on D-Day during World War II: the challenge/sign was "flash", the password "thunder" and the countersign (to challenge the person giving the first codeword) "Welcome". [2] Some countersigns include words that are difficult for an enemy to pronounce.
The Army Specialized Training Program (ASTP) was a military training program instituted by the United States Army during World War II to meet wartime demands both for junior officers and soldiers with technical skills. Conducted at 227 American universities, it offered training in such fields as engineering, foreign languages, and medicine.
The B-Dienst, created in the early 1930s, had broken the most widely used British naval code by 1935.When war came in 1939, B-Dienst specialists had broken enough British naval codes that the Germans knew the positions of all British warships.