Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/3369
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Atlantic, East Asia, Europe, Mediterranean, Pacific, South Asia
Countries France, Germany, Hawaii, Hungary, India, Italy, Japan, Russia
Document Type Signals Intelligence
Organisations Government Code and Cypher School, Security Service
People Harold Alexander, Edward Bridges, Adolf Hitler, Benito Mussolini, 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; from the Japanese ambassador in Italy, on Mussolini's proposal to Hitler for a military strike in Italy, on November 29, with an instruction from the Prime Minister (PM) for General Alexander to see this; from the Japanese ambassador in Berlin, describing an interview with the Hungarian national leader, on December 5; and from the French representative in Pretoria, giving General Smuts' view on France's future in Europe, on December 6.


naval intelligence, German U-boats, convoys, Pacific War, Japanese navy, warships, aerial attacks on ships, United States Navy, shipping losses, diplomatic intelligence, fascist leadership, Axis strategy, Italian Campaign, military strength, Italian army, fascist sympathisers, Hungarian foreign policy

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