Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/405
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Africa, Europe, Mediterranean
Countries Germany, Italy
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 a German Air Force (GAF) shortage of motor transport fuel on March 11; on the Mediterranean: that GAF aircraft are en route to attack British warships on March 11; a GAF report on the above attack, from March 11; and a further GAF report on the above from March 11.


supply problems, fuel, German air force, Desert War, aerial attacks on ships, Royal Navy

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