ULTRA: Difference between revisions

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'''ULTRA''' was a [[code word]] for British [[communications intelligence]] in the [[Second World War]], primarily targeted against the German [[Enigma machine]] and its derivatives. <ref name=ULTRAsecret>{{citation
'''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. <ref name=ULTRAsecret>{{citation
  | title = The Ultra Secret
  | title = The Ultra Secret
  | first = F.W. | last = Winterbotham  
  | first = F.W. | last = Winterbotham  
  | publisher = Orion
  | publisher = Orion
  | year = 2000}}</ref>
  | 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]].
 
==Bletchley Park and the early days==
 
==Special Liaison system==
 
==Early cryptanalytic automation==


==References==
==References==
<reflist>
{{reflist}}


[[Category:CZ Live]]
[[Category:CZ Live]]

Revision as of 23:53, 5 August 2008

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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]. 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

  1. Winterbotham, F.W. (2000), The Ultra Secret, Orion