Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/165
Conflicts Second World War
Themes Military Intelligence and Operations, Foreign Policy and International Relations
Regions Africa, Atlantic, East Asia, Europe, Latin America, Mediterranean, Middle East, North America, South Asia
Countries Brazil, China, Crete, Germany, Great Britain, India, Indochina, Iran, Iraq, Italy, Japan, Portugal, Russia, Syria, United States of America
Document Type Signals Intelligence
Organisations Foreign Office, Security Service, Government Code and Cypher School
People Edward Bridges, Adolf Hitler, 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: that the 61st Army Corps aims to defend Kalinin in the face of Soviet attacks and extend the Volga bridgehead, on October 22; a situation report of the area west of Moscow, from October 22; of Soviet intentions to retake Kalinin and restore communications with Leningrad, on October 22; a movement order for the 2nd Flak Corps; that a further Italian division was placed under German command in North Africa on October 16; of losses of German artillery and transport from ships sunk en route to North Africa, from October 16; of a shortage of shipping space for German Army rations for North Africa, from October 16; that no shipping space was available for aviation fuel needed in Benghazi, on October 23; that German towed gliders are needed in Russia rather than in Crete, on October 22; of Ibn Saud's comments on German proposals, from October 24; of an appeal from Chungking to the U.K. and U.S. in the face of the Japanese threat to China, on October 20; an Italian appreciation of U.S. intentions concerning Japan, from October 18; and of Brazilian terms for protecting Portuguese possessions, on October 24.


Operation Barbarossa, German army, military situation reports, Red Army, counter-attacks, troop movements, anti-aircraft defence, railways, Desert War, Italian army, German-Italian relations, shipping losses, supply problems, military supplies, fuel, diplomatic intelligence, Japanese foreign policy, American neutrality, invasion of the Soviet Union

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