Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/23
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Africa
Countries Not Defined
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 correspondence: a message sent by C to Lt-Col Cornwall-Jones for the Prime Minister summarising BONIFACE reports (based on 7332).


mechanical problems, Desert War, Operation Barbarossa, German army, convoys, Royal Air Force, bombing, invasion of the Soviet Union

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