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[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 ...
The British Naval Cypher No. 5 is also known to have been broken by the B-Dienst, as were various low-grade British Naval and Air codes, including COFOX, MEDOX, FOXO, LOXO, SYKO, Air Force code and Aircraft Movement code. The US "Hagelin" M-209 field cipher machine and the French "Anglp" [clarification needed] code were also often read.
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.
The list of Axis named operations in the European Theatre represents those military operations that received a codename, predominantly from the Wehrmacht commands. It does not represent all operations that were carried out by the Axis powers, or their allies in the European Theatre during the Second World War.
Code Girls: The Untold Story of the American Women Code Breakers of World War II. New York, Boston: Hachette Books. ISBN 978-0-316-35253-6., Chapter 10. Smith, Michael (2000). The Emperor's Codes: Bletchley Park and the breaking of Japan's secret ciphers. London: Bantam Press. ISBN 0593-046412.
JN-25 is the name given by codebreakers to the main, and most secure, command and control communications scheme used by the IJN during World War II. [10] Named as the 25th Japanese Navy system identified, it was initially given the designation AN-1 as a "research project" rather than a "current decryption" job.
This is a list of convoy codes used by the Allies during World War II There were over 300 convoy routes organized, in all areas of the world; each was designated by a two- or three letter code. List of Allied convoys during World War II by region provides additional information.
The W.E.B. Griffin series The Corps is a fictionalized account of United States Navy and Marine Corps intelligence operations in the Pacific Theater during World War II. Many of the main characters in the novels, both fictional and historical, have access to and use intelligence from Magic.