Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/378
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Europe, Mediterranean
Countries Germany, Gibraltar, Italy
Document Type Signals Intelligence
Organisations Government Code and Cypher School, Security Service
People Edward Bridges, Adolf Hitler, Joachim von Ribbentrop


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: Naval Headlines, with intelligence on German and Italian activity; and a report from the Japanese ambassador in Berlin on the Germans' increasing problems on the Russian Front, from February 8, with orders from the Prime Minister (PM) for it to be shown to the President.


naval intelligence, warships, German navy, German U-boats, submarines, Italian navy, shipping, coastal defence, artillery, military operations, military situation reports, Operation Barbarossa, Red Army, Eastern Front, military objectives, military supplies, manpower, casualties, equipment, clothing, attach�s, invasion of the Soviet Union

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