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Relations between the Security Service (MI5) and the Secret Intelligence Service (SIS): Memorandum of Agreement

28 Mar 1949

A file of reports, memoranda, and correspondence concerning relations between the Security Service (MI5) and the Secret Intelligence Service (MI6) after the Second World War. The documents include a report from a working party investigating relations between the two services, and letters negotiating the division of responsibilities. The main subjects of contention were permission for MI5 to operate abroad, the responsibility for collection and collation of intelligence, and liaison arrangements and the proposal that both services move into a new shared headquarters building in London.
singapore security united kingdom france belgium egypt lebanon iraq jordan united states of america greece russia israel burma netherlands cold war england surveillance personnel liaison security service secret intelligence service holland persia ministry of defence william hayter foreign office william strang edward bridges british intelligence organisation intelligence organization stewart menzies intelligence services responsibilities percy sillitoe guy liddell inter-services cooperation permanent under-secretary's department joint intelligence committee (far east)
Collection ID
FO1093
Conflict
Cold War
Countries
Belgium Burma Egypt England France Greece Holland Iraq Israel Jordan Lebanon Netherlands Persia Russia Singapore United Kingdom United States of America
Document Reference
FO 1093/393/2
Document Types
Correspondence
File Reference
FO 1093/393
Identifier
10.1080/swwf.fo1093.0393.002
Keywords
British Intelligence Organisation Security Personnel Intelligence Services Responsibilities Inter-services Cooperation Liaison
Languages
English
Organizations
Foreign Office Permanent Under-Secretary's Department Joint Intelligence Committee (Far East) Ministry of Defence Secret Intelligence Service Security Service
Pages
104
Persons Discussed
Edward Bridges William Hayter Guy Liddell Stewart Menzies Percy Sillitoe William Strang
Published in
United Kingdom
Themes
Intelligence Organization Surveillance

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