Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/425
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Africa, Europe, Mediterranean
Countries Italy, Libya, Malta
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 North Africa: that German Air Force (GAF) sigint report the first appearance of Spitfire aircraft in the Western Desert, on March 17; on the GAF's anti-aircraft reinforcement of Martuba on March 19; and a GAF report on fuel and lubricant deliveries from Tunis, on March 18.


Royal Air Force, aircraft, anti-aircraft defence, transportation, fuel

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