Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/177
Conflicts Second World War
Themes Military Intelligence and Operations, Intelligence Organisation and Administration
Regions Africa, East Asia, Europe, Latin America, Mediterranean, Middle East, North America, Pacific, South Asia
Countries Belgium, Crete, Egypt, England, France, Gibraltar, Great Britain, Greece, India, Italy, Japan, Malaya, Mexico, Russia, United States of America
Document Type Signals Intelligence, Memoranda
Organisations Foreign Office, Security Service, Government Code and Cypher School
People Edward Bridges


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) activity; from the Japanese ambassador in Washington on attitudes towards the Tojo cabinet; an intelligence report from the Japanese charg� in London on October 25; on North Africa: German Air Force (GAF) measures to supply aviation fuel on October 25; and also on North Africa: CAS's reply to the Prime Minister's (PM's) query.


naval intelligence, German navy, warships, German U-boats, Italian navy, convoys, Royal Navy, military strength, diplomatic intelligence, Japanese government, Allied supplies to the USSR, fuel, Desert War, shipping

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