Empire of Secrets: British Intelligence, the Cold War and the Twilight of Empire. Calder Walton

The ‘Colossus’ at Bletchley Park. (Topfoto)

      6. Jasper Maskelyne. (Mary Evans Picture Library)

      7. Dummy tank, Middle East, 1941–42. (The National Archives, ref. W0201–2022)

      8. Dummy Spitfire. (The National Archives, ref. AIR20/4349)

      9. Dudley Clarke. (Courtesy of Churchill Archives Centre)

      10. László Almásy. (akg-images/Ullstein Bild)

      11. Long Range Desert Group, North Africa. (Getty Images)

      12. Sir Percy Sillitoe. (Popperfoto/Getty Images)

      13. Police use tear gas during a riot in Calcutta, 1947. (Getty Images)

      14. The bombing of the King David Hotel, Jerusalem, 22 July 1946. (Getty Images)

      15. Menachem Begin wanted poster. (Getty Images)

      16. Sir John Shaw. (The Bodleian Libraries, the University of Oxford)

      17. MI5 report on Jewish terrorism in the Middle East. (The National Archives, ref. CO 733/457/14)

      18. British soldiers question a group of schoolboys in Jerusalem, 1947. (Getty Images)

      19. Major Roy Farran at his brother’s grave, 1948. (PA/PA Archive/Press Association Images)

      20. British paratrooper in the Malayan jungle, 1952. (Getty Images)

      21. Ghana’s independence ceremony, 1957. (Time & Life Pictures/Getty Images)

      22. Jomo Kenyatta. (Popperfoto/Getty Images)

      23. Suspected Mau Mau victim. (Getty Images)

      24. Mau Mau prisoners in Kenya. (Gamma-Keystone via Getty Images)

      25. The arrival of the Empire Windrush at Tilbury, 22 June 1948. (Topfoto)

      26. The Petrov affair, 1954. (National Archives of Australia)

      27. British paratroopers embarking for Suez, 1956. (Popperfoto/Getty Images)

      28. Cheddi Jagan with ousted ministers, British Guiana, 1953. (Bettmann/Corbis)

      29. Archbishop Makarios visiting a British Army camp in Cyprus, 1960. (Topfoto)

      30. British soldiers in Cyprus, c.1956. (Getty Images)

      31. British soldier threatening Arab demonstrators, Aden, 1967. (Getty Images)

      32. Chris Patten, Hong Kong, July 1997. (Eric Draper/AP/Press Association Images)

      33. The US base on Diego Garcia. (Corbis)

       Abbreviations and Glossary

      Abwehr – German espionage service

      ASIO Australian Security Intelligence Organisation – Australian domestic intelligence service

      ASIS Australian Secret Intelligence Service – Australian foreign intelligence service

      CIA Central Intelligence Agency – American foreign-intelligence-gathering agency

      CID Criminal Investigation Department – Department of regular police force

      CPGB Communist Party of Great Britain

      DIB Delhi Intelligence Bureau – Pre-independence Indian intelligence agency

      DSO Defence Security Officer – MI5 liaison officer in a colonial or Commonwealth country

      FBI Federal Bureau of Investigation – US law-enforcement agency

      GC&CS Government Code & Cypher School – Pre-war and wartime British SIGINT service

      GCHQ Government Communications Headquarters – Renamed post-war British SIGINT service

      HOW Home Office Warrant – MI5’s mechanism for mail and telephone interception

      HUMINT Human intelligence

      IB Intelligence Bureau – Indian intelligence service, another name for DIB

      IPI Indian Political Intelligence – Pre-independence agency in London responsible for intelligence on Indian affairs

      JIC Joint Intelligence Committee – ‘High table’ of British intelligence community

      KGB Committee for State Security – Soviet foreign intelligence-gathering agency

      LIC Local Intelligence Committee – Regional colonial intelligence set up in colonies on MI5’s advice in early Cold War

      MI5 – British intelligence service responsible for counter-espionage, counter-subversion and counter-sabotage in British territory

      MI6 – Secret intelligence service responsible for gathering HUMINT from non-British territories

      NSA National Security Agency – US SIGINT agency

      RCMP Royal Canadian Mounted Police – Canadian law-enforcement agency

      SAS Special Air Service – British special forces

      Security Service – MI5

      SIFE Security Intelligence Far East – MI5 inter-service intelligence outfit in the Far East

      SIGINT Signals intelligence

      SIME Security Intelligence Middle East – MI5 inter-service intelligence outfit in the Middle East

      SIS Secret Intelligence Service – British foreign-intelligence-gathering service

      SLO Security Liaison Officer – MI5 liaison officer in a colonial or Commonwealth country