Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/587
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Africa, Europe, Latin America, Mediterranean
Countries Brazil, Crete, Germany, Portugal, Russia
Document Type Signals Intelligence
Organisations Government Code and Cypher School, Security Service
People Edward Bridges, Adolf Hitler, Erwin Rommel


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, on Italian activity; from the German police on activity from May 1-15; and from the Portuguese minister in Berlin on Portuguese-German relations and Brazil's regrettable attitude towards the Germans.


naval intelligence, Italian navy, transportation, troop movements, shipping, warships, German U-boats, torpedo boats, military operations, Eastern Front, police, diplomatic intelligence, Portuguese neutrality

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