Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/3378
Conflicts Second World War
Themes Military Intelligence and Operations, Foreign Policy and International Relations
Regions East Asia, Europe, Middle East, North America, South Asia
Countries Bulgaria, Canada, China, Germany, Great Britain, Greece, India, Japan, Lebanon, Romania, Russia, Soviet Union, Turkey, United States of America, Yugoslavia
Document Type Signals Intelligence
Organisations Foreign Office, Security Service, Government Code and Cypher School
People Edward Bridges, 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 West Europe: that von Rundstedt states the hour of destiny has struck, on December 16; on the 2nd Fighter Corps' intentions for December 17; that the movement of all corps has started according to plan, on December 16; of radio silence being cancelled for the 1st SS Panzer Corps with five subordinate divisions, on December 16; that Army Group G regard the Saarlautern situation as increasingly acute, on December 16; and of an air attack on the light cruiser Koeln at Horten, on December 14; on Germany: of air defence instructions, with particular emphasis on the defence of hydrogenation plants, on December 9; from Papandreou in Athens to the Greek King in London, that he can dispense with British troops outside Attika, on December 16; from the Greek King in London to the Embassy in Washington, an appeal to Roosevelt to dispel the U.S. misunderstanding of the Greek situation, on December 16; from the Greek King in London to the Prime Minister (PM) and Dragoumis in Athens, that Churchill is worried by the U.S.' attitude on Greece and anxious for a compromise settlement, on December 15; and a request for the PM's view on a national government, on December 14; from the Japanese ambassador in Ankara, that Turkish foreign policy is tied to its alliance with Britain, on December 14; and noting British difficulties as the Soviets gain control of Eastern Europe, on December 5.


German army, military commanders, Western Front, operations planning, Battle of the Bulge, inter-services cooperation, German air force, troop movements, secrecy, wireless communications, military organisation, military dispositions, tanks, aerial attacks on ships, German navy, anti-aircraft defence, industry, diplomatic intelligence, Anglo-Greek relations, Greek Civil War, communism, political intelligence, Turkish foreign policy

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