Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/3405
Conflicts Second World War
Themes Military Intelligence and Operations, Foreign Policy and International Relations
Regions Atlantic, East Asia, Europe, Mediterranean, Middle East
Countries China, Denmark, Germany, Greece, Indochina, Japan, Singapore, Turkey
Document Type Signals Intelligence
Organisations Foreign Office, Security Service, United Nations, Government Code and Cypher School
People Edward Bridges, Karl Dönitz


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 Western Europe: a Saar Front situation report, for January 1; of Allied air raids on German towns and cities between December 28 and January 1; of a German Air Force (GAF) assessment that Allied pressure has caused a slight German withdrawal, on January 2; and of an assessment by the 5th Panzer Army of its fighting value and strength as of December 23, on December 25; Naval Headlines; from the Japanese ambassador in Ankara, a Turkish report quoted on the Western Front situation, on December 29; from the French minister in Athens, describing the internal Greek situation, as at December 28; from the Ministry of Foreign Affairs in Berlin, German press directives, on December 29; and from the Foreign Ministry in Ankara, that Turkey is to break off relations with Japan, from December 29.


military situation reports, Western Front, German army, military strength, tanks, artillery, military operations, effects of bombing, air raids, Allied powers, transportation, railways, roads, Battle of the Atlantic, Allied withdrawal, naval intelligence, military organisation, German U-boats, security, sabotage, shipping losses, warships, German navy, Pacific War, convoys, diplomatic intelligence, Turkish neutrality, Anglo-Greek relations, Turkish foreign policy

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