Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/3786
Conflicts Second World War
Themes Military Intelligence and Operations, Foreign Policy and International Relations, Propaganda, Censorship and Psychological Warfare
Regions Africa, East Asia, Europe, Mediterranean, Middle East, North America, Pacific, South Asia
Countries Algeria, Australia, Austria, Belgium, Brunei, Bulgaria, Burma, China, England, Finland, France, Germany, Great Britain, Greece, Guinea, Hungary, India, Indochina, Italy, Japan, Korea, Lebanon, Mongolia, Persia, Philippines, Poland, Romania, Russia, Singapore, Soviet Union, Sweden, Syria, Turkey, United States of America, Yugoslavia
Document Type Signals Intelligence
Organisations Chiefs of Staff, Foreign Office, League of Nations, Security Service, Government Code and Cypher School
People Harold Alexander, Edward Bridges, Thomas Bromley, Charles de Gaulle, Bernard Montgomery, Desmond Morton, Franklin Delano Roosevelt, Josef Stalin


A file of signals intelligence reports, messages, and correspondence issued by the Government Code and Cypher School and sent by the head ('C') of the Secret Intelligence Service (MI6) to the Prime Minister, Winston Churchill. This file includes the following reports: intelligence reports submitted by C (the head of MI6) to the Prime Minister; part of a daily supply of intelligence to the PM, mainly consisting of diplomatic decrypts (BJs, for the full series see HW 12) and Naval Headlines.


military situation reports, liberation of Burma, Japanese strategy, bombing, air raids, propaganda leaflets, naval operations, warships, Royal Navy, operations planning, shipping losses, aerial attacks on ships, intelligence reports, French navy, forced labour, predicting enemy intentions, amphibious operations, Japanese-occupied territory, Allied strategy, captured equipment, German U-boats, hospital ships, convoys, effects of bombing, aerial attacks, suicide attacks, torpedo boats, diplomatic intelligence, Soviet foreign policy, Allied powers, French foreign policy, Soviet strategy, military commanders, Soviet-Japanese relations, neutrality, military dispositions, Japanese army, mechanical problems, cyphers, diplomatic signals, peace proposals, armistice, conferences, occupation arrangements, occupied Germany, propaganda, war crimes, looting, territorial concessions, post-war planning, Japanese navy, military organisation, French government, public opinion, United States government, American strategy, American foreign policy, colonial independence movements, economy, political intelligence, finances, royalty

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