ULTRA: Difference between revisions
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imported>Howard C. Berkowitz (when code words were simple) |
imported>Sandy Harris No edit summary |
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| first = F.W. | last = Winterbotham | | first = F.W. | last = Winterbotham | ||
| publisher = Orion | | publisher = Orion | ||
| year = 2000}}</ref>. The COMINT organization was called the Government Code and Cipher School (GCCS), which reported to the [[Secret Intelligence Service]]. Eventually, GCCS became a separate organization, the [[Government Communications Headquarters]], with functions similar to the Canadian [[Communications Security Establishment]] or the U.S. [[National Security Agency]]. | | year = 2000}}</ref>. This was one of the greatest intelligence triumphs in the history of warfare; the British read many German messages throughout the war. | ||
The COMINT organization was called the Government Code and Cipher School (GCCS), which reported to the [[Secret Intelligence Service]]. Eventually, GCCS became a separate organization, the [[Government Communications Headquarters]], with functions similar to the Canadian [[Communications Security Establishment]] or the U.S. [[National Security Agency]]. | |||
==Bletchley Park and the early days== | ==Bletchley Park and the early days== | ||
Revision as of 01:47, 17 October 2008
ULTRA was a code word for British communications intelligence (COMINT) in the Second World War, primarily targeted against the German Enigma machine and its derivatives. [1]. This was one of the greatest intelligence triumphs in the history of warfare; the British read many German messages throughout the war.
The COMINT organization was called the Government Code and Cipher School (GCCS), which reported to the Secret Intelligence Service. Eventually, GCCS became a separate organization, the Government Communications Headquarters, with functions similar to the Canadian Communications Security Establishment or the U.S. National Security Agency.
Bletchley Park and the early days
Special Liaison system
Early cryptanalytic automation
References
- ↑ Winterbotham, F.W. (2000), The Ultra Secret, Orion
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