'C', Chief of the Secret Intelligence Service (SIS): Coordination of Wireless Interception and Cryptography - Secret Intelligence Files

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Document Title	'C', Chief of the Secret Intelligence Service (SIS): Coordination of Wireless Interception and Cryptography
Reference	FO 1093/308
Document Date	24 January 1940 - 22 June 1942
Conflicts	Second World War
Themes	Signals Intelligence and Code-breaking, Intelligence Organisation and Administration
Regions	East Asia, Europe, Middle East, North America, South Asia
Countries	Canada, China, England, France, Germany, Great Britain, India, Italy, Japan, Russia, Soviet Union, Syria, Turkey, United Kingdom, United States of America
Document Type	Correspondence, Memoranda
Organisations	Foreign Office, Government Code and Cypher School, Joint Intelligence Sub-Committee, Naval Intelligence Division, Security Service, Permanent Under-Secretary's Department, Secret Intelligence Service
People	Frederick Beaumont-Nesbitt, Alexander Cadogan, Winston Churchill, Alastair Denniston, John Godfrey, Gladwyn Jebb, Peter Loxley, Stewart Menzies, Desmond Morton, Horace Wilson

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Keywords

British intelligence organisation, communications, inter-services cooperation, intelligence channels, codes, cyphers, communications interception, wireless communications, personnel, information sharing, Anglo-American relations, American intelligence services, secrecy, linguists, interpretation, security

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