Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/179
Conflicts Second World War
Themes Military Intelligence and Operations, Foreign Policy and International Relations
Regions East Asia, Europe, Mediterranean, Middle East, Pacific, South Asia
Countries Afghanistan, Australia, France, Germany, Gibraltar, Great Britain, India, Iran, Japan, New Zealand
Document Type Signals Intelligence
Organisations Government Code and Cypher School, Security Service
People Edward Bridges, Adolf Hitler, Joachim von Ribbentrop


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, covering German, Italian and Spanish (Russian Front) activities; from the Italian representative in Kabul on U.K.-Afghan relations on October 27; from the Japanese minister in Melbourne on British defence measures in the Far East; and from the U.S. Embassy in Berlin, on Franco-German relations.


naval intelligence, German U-boats, Battle of the Atlantic, Italian navy, naval operations, shipping, Spanish armed forces, diplomatic intelligence, German foreign policy, imperial defence, Vichy regime

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