Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/1938
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Europe, Mediterranean
Countries Corsica, Italy, Russia, Sardinia, Sicily
Document Type Signals Intelligence
Organisations Government Code and Cypher School
People Not Defined


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 correspondence: a SUNSET intelligence report from Brigadier Hollis for the Prime Minister (PM); telegrams to and from Washington, on August 12-13; and a BONIFACE summary to Washington for the PM (mainly regarding Sicily).


military situation reports, invasion of Sicily, Operation Husky, effects of bombing, aerial attacks, railways, Allied powers, anti-aircraft defence, landing craft, shipping losses

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