Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/3382
Conflicts Second World War
Themes Military Intelligence and Operations, Foreign Policy and International Relations
Regions Atlantic, East Asia, Europe, Latin America, Mediterranean, Pacific, South Asia
Countries Burma, China, Denmark, France, Germany, Great Britain, Greece, Holland, India, Mexico, Netherlands, Philippines
Document Type Signals Intelligence
Organisations Foreign Office, Security Service, Government Code and Cypher School
People Edward Bridges, Charles de Gaulle


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 West Europe: that the 85th Corps is to thrust out of its bridgeheads, on December 19; the 66th Army Corps reports advances, on December 18; that the 82nd Corps expects an Allied break-through, on December 17; and of German Air Force (GAF) units being diverted to attacks on Allied march columns in place of the planned disruption of Allied bombers, operation GISELA/ROPER, on December 18; on Germany: of the need for flak units to counter the rising scale of attacks on south German railways, on December 18; Naval Headlines; from the Japanese Minister for Foreign Affairs to the ambassador in Moscow, on Japan losing ground in the Pacific and Burma, on December 11; from Bidault in Cairo to French embassies, on de Gaulle having talks in Moscow, and a Franco-Soviet treaty, on December 15; and from the Greek King in London to the Prime Minister (PM) and Dragoumis, on the question of the Greek regency, on December 16.


German strategy, troop movements, military objectives, Battle of the Bulge, predicting enemy intentions, United States Army, counter-attacks, aerial attacks, German air force, night fighters, strafing, anti-aircraft defence, railways, naval intelligence, German U-boats, military shortages, fuel, diplomatic intelligence, invasion of the Philippines, Franco-Soviet relations, Greek government

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