Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/1252
Conflicts Second World War
Themes Military Intelligence and Operations, Foreign Policy and International Relations
Regions Africa, Atlantic, Europe, Mediterranean
Countries Belarus, Cyprus, France, Germany, Russia, Sicily, Spain, Tunisia, Ukraine
Document Type Signals Intelligence
Organisations Government Code and Cypher School, Security Service
People Edward Bridges, Adolf Hitler


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: from the Portuguese minister in Berlin, on the Spanish and French situations, on December 21; from the Turkish consul in Moscow, on the situation on the Russian Front, as of December 18; and Naval Headlines.


diplomatic intelligence, rumours, Allied powers, irregular warfare, Spanish neutrality, military situation reports, Eastern Front, naval intelligence, German U-boats, mines, warships, German navy, Italian navy, shipping losses

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