Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/390
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Africa, Atlantic, Europe
Countries Italy, Libya, Norway, Romania, Ukraine
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: intelligence on German Air Force (GAF) anti-aircraft units being transferred from Romania to the Ukraine, on March 3; reports of heavy losses of an SS division, on March 1; and a Naval Headlines report on German U-boat (in the North Sea) and Italian naval activity.


anti-aircraft defence, troop movements, battles, casualties, artillery, tanks, military situation reports, military operations, armaments, German U-boats, German navy, submarines, aircraft, Italian navy, warships

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