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- ...II]] cover name for the British signals intelligence organization; now the Government Communications Headquarters161 bytes (19 words) - 21:46, 22 June 2024
- #Government Communications Headquarters, responsible for signals intelligence2 KB (218 words) - 21:46, 22 June 2024
- ...lligence organization, then the Government Code and Cipher School (now the Government Communications Headquarters (GCHQ)), which ran the vital [[ULTRA]] cryptanalytic program against German2 KB (225 words) - 21:46, 22 June 2024
- ...K, they concentrated on different traffic than did NSA, working on British Government Communications Headquarters (GCHQ), working [[COMINTERN]] messages between various capital cities and M5 KB (731 words) - 08:32, 22 June 2024
- {{r|Government Communications Headquarters||**}}2 KB (303 words) - 07:32, 20 April 2024
- ...telligence Service]]. Eventually, GCCS became a separate organization, the Government Communications Headquarters, with functions similar to the Canadian [[Communications Security Establish5 KB (854 words) - 08:32, 22 June 2024
- ...ing democracies — the US [[National Security Agency]] (NSA), British Government Communications Headquarters (GCHQ), Canadian [[Communications Security Establishment]], Australia's [[D20 KB (2,946 words) - 21:46, 22 June 2024
- ...itish forces in World War II came under the code name "ULTRA" managed from Government Communications Headquarters| the former Government Code and Cypher School (Bletchley Park).23 KB (3,456 words) - 18:47, 3 April 2024
- ..., the [[Government Code and Cypher School]] at [[Bletchley Park]], now the Government Communications Headquarters). Lack of centralization bothered these allies. The vital British-US coope25 KB (3,808 words) - 08:43, 22 June 2024
- ...ssors have had a very close relationship with its British Counterpart, the Government Communications Headquarters (GCHQ). The resident U.S. representative there, the Senior U.S. Liaison Of | Government Communications Headquarters (GCHQ)72 KB (10,689 words) - 21:46, 22 June 2024