Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/3762
Conflicts Second World War
Themes Military Intelligence and Operations, Foreign Policy and International Relations
Regions Atlantic, East Asia, Europe, North America
Countries Austria, Bulgaria, Czechoslovakia, East Germany, France, Germany, Great Britain, Hungary, Italy, Japan, Lithuania, Norway, Poland, Romania, Russia, Singapore, Sweden, United States of America, Yugoslavia
Document Type Signals Intelligence
Organisations Government Code and Cypher School, Security Service
People Edward Bridges, Adolf Hitler


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: Naval Headlines for May 9 and 10; from the Japanese minister in Berne, on Anglo-U.S.-Soviet relations in Europe, as of May 5; and from the Spanish ambassador in Rio, noting Soviet intransigence at San Francisco, on May 7.


naval intelligence, German navy, warships, surrender, naval bases, Pacific War, operations planning, Japanese navy, Japanese withdrawal, Japanese-occupied territory, diplomatic intelligence, post-war planning, Allied powers, communism, Soviet foreign policy, Anglo-Soviet relations, American-Soviet relations

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