Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/3461
Conflicts Second World War
Themes Military Intelligence and Operations, Foreign Policy and International Relations
Regions Africa, Atlantic, East Asia, Europe, Mediterranean, Middle East, Pacific
Countries Australia, England, France, Germany, Greece, Italy, Malaya, Persia, Philippines, Réunion, Scotland, Singapore
Document Type Signals Intelligence
Organisations Foreign Office, Security Service, Government Code and Cypher School
People Edward Bridges, Dwight Eisenhower, Charles de Gaulle, Hermann Göring, Adolf Hitler, Desmond Morton, 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 Germany: a German Air Force (GAF) report on Allied raids on January 15; and on West Europe: a report to Army Group G on railway operating difficulties in western Germany, on January 15.


effects of bombing, air raids, German war effort, industry, oil, communications disruption, transportation, railways, Italian Campaign, German morale, military discipline, military supplies, manpower, military shortages, equipment, fuel, military organisation, German army, defence, naval intelligence, air raid precautions, German navy, warships, troop movements, occupied Norway, torpedo boats, German U-boats, naval bombardment, Pacific War, Japanese withdrawal, diplomatic intelligence, French foreign policy, Franco-American relations, Anglo-French relations, political intelligence, Allied powers, conferences, Nazi leadership, health, Greek Civil War

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