Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/3303A
Conflicts Second World War
Themes Foreign Policy and International Relations
Regions East Asia, Europe, Middle East
Countries Albania, Finland, Germany, Great Britain, Hungary, Iran, Japan, Norway, Persia, Poland, Romania, Turkey, Yugoslavia
Document Type Signals Intelligence
Organisations Foreign Office, Security Service, Government Code and Cypher School
People Edward Bridges, Adolf Hitler, 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 correspondence: from the Japanese ambassador in Berlin, reporting a discussion with the German Vice-Minister, Steengracht, on German relations with Hungary, and on the Allied talks and agreements in Moscow, with comments added by C on Steengracht's sources of information, on October 24; and from the Japanese military attach?n Stockholm, on an alleged U.K.-U.S. agreement with the Soviet Union on oil leases in Iran and the use of air bases in the Far East, from October 13.


leakage of information, diplomatic officials, neutrality, diplomatic intelligence, German strategy, Home Guard, Hungarian foreign policy, surrender

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