Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/3278
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Atlantic, East Asia, Europe, Mediterranean
Countries Albania, Formosa, Holland, Japan, Netherlands, Philippines, Singapore
Document Type Signals Intelligence
Organisations Government Code and Cypher School
People Not Defined


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 West Europe: of suggested operations from three Atlantic coast fortresses to obtain provisions from the countryside, on October 21; and Naval Headlines, covering extravagant Japanese claims for an air battle of the Formosa sea.


military operations, German army, occupied France, looting, food supplies, naval intelligence, incompetence, warships, German navy, shipping losses, Pacific War, naval operations, Japanese navy, invasion of the Philippines, naval warfare, United States Navy, casualties, aircraft

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