Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/596
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Africa, Europe, Mediterranean
Countries Crete, Germany, Italy, Libya
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 the German Air Force (GAF) are preparing for night operations south of Sollum and over Tobruk, on May 24; and the Naval Headlines, covering German preparations to attack Arctic convoys, Italian fears of a British landing on Crete, and Spanish activity on the Eastern Front.


operations planning, air warfare, German air force, Desert War, naval intelligence, German U-boats, warships, Arctic convoys, Italian navy, predicting enemy intentions

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