Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/300
Conflicts Second World War
Themes Military Intelligence and Operations, Foreign Policy and International Relations
Regions Africa, East Asia, Europe, Mediterranean, Middle East, North America, South Asia
Countries Burma, China, Corsica, Crete, Egypt, France, Germany, Gibraltar, Great Britain, India, Italy, Japan, Libya, Palestine, Russia, Sicily, Singapore, Syria, Turkey, United States of America, Yugoslavia
Document Type Signals Intelligence
Organisations Foreign Office, Security Service, Government Code and Cypher School
People Edward Bridges, Adolf Hitler, Benito Mussolini, Franklin Delano Roosevelt


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 on the Moscow Front: a fragmentary report of German withdrawals and advances on December 4; and a German report of December 4; on the Russian Front: German Air Force (GAF) air intentions for December 5; on Greece: the GAF have an urgent need for transport to carry supplies for Africa from Patras port to an aerodrome, on December 4; from the Japanese ambassador in Berlin, reports of November 21 on German progress on the Russian Front, North Africa, Franco-German relations and the despatch of U-boats to the Mediterranean; on the Mediterranean: a reply from the First Sea Lord (1SL) to the Prime Minister's (PM's) query on U-boat developments, on December 4; a report that Tokyo instructed Rangoon to send back Japanese who are versed in Burmese conditions; Chungking describes the Australian approach on Japanese-U.S. talks and asks London to ascertain if this was primed by the British, on December 2; and from the French Embassy in Washington, to Vichy on Roosevelt's decision to send a personal representative to the near east, on November 26.


military situation reports, invasion of the Soviet Union, German withdrawal, Red Army, counter-attacks, air raids, siege of Leningrad, German air force, transportation, diplomatic intelligence, German U-boats, naval intelligence, threat of war with Japan

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