Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/1447
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Atlantic, Europe, Mediterranean
Countries Belgium, France, Great Britain, Holland, Iceland, Netherlands, Sardinia
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 the Mediterranean: that the German Air Force (GAF) consider the convoy threat to Sardinia to be removed, on March 10; that GAF Sardinia was asked to explain its failure to attack an Allied fast convoy, on March 9; and of the GAF's order to attack the convoy, on March 9; on Western Europe: of GAF orders for the guarding of closed airfields, on March 9; and on airfields suitable for GAF operations against the U.K., on March 10; and Naval Headlines, covering Kesselring's threat to disband the French Army.


invasion threat, invasion of Italy, predicting enemy intentions, German air force, military commanders, incompetence, security, airfields, Nazi-occupied Europe, operations planning, air warfare, naval intelligence, German navy, warships, German U-boats, Italian navy, shipping

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