Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/2789
Conflicts Second World War
Themes Military Intelligence and Operations, Foreign Policy and International Relations
Regions Africa, Atlantic, East Asia, Europe, Mediterranean
Countries Benin, France, Germany, Gibraltar, Gold Coast, Italy, Philippines, Singapore
Document Type Signals Intelligence
Organisations Government Code and Cypher School, Security Service
People Edward Bridges, Karl Dönitz, 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 on Southern Europe: the Commander in Chief (C-in-C) for the South-west's report for May 12; Naval Headlines; and from the Turkish ambassador in Vichy, describing an interview with Laval, on May 9.


predicting enemy intentions, Allied strategy, artillery, military situation reports, Italian Campaign, naval intelligence, German navy, invasion threat, warships, German U-boats, operations planning, naval operations, landing places, Battle of Anzio, Operation Shingle, Pacific War, Japanese navy, minesweeping, diplomatic intelligence, Vichy regime, politicians, Franco-German relations

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