Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/3641
Conflicts Second World War
Themes Military Intelligence and Operations, Foreign Policy and International Relations
Regions Atlantic, East Asia, Europe, Mediterranean, Middle East, North America
Countries England, Finland, France, Germany, Great Britain, Holland, Ireland, Japan, Netherlands, Poland, Russia, Singapore, Soviet Union, Spain, 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, Josef Stalin


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: on the Frankfurt situation, as of March 26; and of a request for German Air Force (GAF) attacks on the Allies crossing the River Main, east of Frankfurt, on March 26; Naval Headlines; from the Japanese ambassador in Berlin, a German Foreign Office report on the Yalta Conference, on March 22; and from the Ministry of Foreign Affairs in Berlin, a German circular on Yalta Conference decisions, on March 10; and German propaganda directives, on March 21.


military situation reports, manpower, German army, defence, Home Front, evacuation, Nazi party, German air force, aerial attacks, Western Front, naval intelligence, German navy, special operations, sabotage, military strength, German U-boats, warships, contingency planning, naval bases, Pacific War, Japanese navy, shipping, diplomatic intelligence, Soviet foreign policy, Soviet-Japanese relations, Soviet-Turkish relations, German propaganda, American foreign policy

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