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Hut 6

Unit of Bletchley Park decryption centre

About

Hut 6 was a wartime section of the Government Code and Cypher School at Bletchley Park, Buckinghamshire, Britain, to solve German Army and Air Force Enigma machine cyphers. Hut 8, by contrast, attacked Naval Enigma. Hut 6 was established at the initiative of Gordon Welchman, and was run initially by Welchman and fellow Cambridge mathematician John Jeffreys. Welchman's deputy, Stuart Milner-Barry, succeeded Welchman as head of Hut 6 in September 1943, at which point over 450 people were working in the section.

Hut 6 worked with Hut 3, which handled the translation and intelligence analysis of the raw decrypts provided by Hut 6. The Air Force Enigma Processing and Decryption Section was housed in Hut 6 from January 1940 to February 1943 when the Hut was renumbered Hut 16.

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