Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/894
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Atlantic, East Asia, Europe, Mediterranean, South Asia
Countries Bulgaria, Germany, India, Russia
Document Type Signals Intelligence
Organisations Government Code and Cypher School, Security Service
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 on the Mediterranean: a German Air Force (GAF) report of sabotage at Italian Air Force aerodromes on Rhodes; Naval Headlines; and messages from the Italian Foreign Ministry to the Legation in Bangkok, that the Japanese policy on India is a waiting one, from September 6; and from the Japanese Foreign Minister to the ambassador in Berlin, that Japan considers that the Soviet Union is maintaining its force level in the east because of the Japanese threat, on September 11.


sabotage, Italian air force, airfields, naval intelligence, warships, German U-boats, shipping, Italian navy, diplomatic intelligence, Japanese strategy

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