Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/1570
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Africa, Atlantic, Europe, Mediterranean
Countries Russia, South Africa, Tunisia
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: the German Air Force (GAF) at Tunis' 2nd evening report for April 5; of GAF Tunis' targets for the night of April 5-6; GAF Tunis report the loss of 15 Ju52 transports, on April 5; of GAF losses in an air raid on Aouina, on April 5; and a GAF Tunis report on the loss of Ju52s and the raid on Aouina, on April 5; Naval Headlines, covering U-boat operations in the Atlantic; and a GAF HQ general situation report, for April 4.


German air force, military situation reports, invasion of French North Africa, military operations, aircraft, casualties, air warfare, United States Army Air Force, air raids, naval intelligence, Battle of the Atlantic, convoys, German U-boats, minesweeping, shipping losses, German navy, aerial attacks on ships, Royal Air Force, special operations, sabotage, torpedo boats, transportation

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