Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/3129
Conflicts Second World War
Themes Military Intelligence and Operations, Weapons Technology and Nuclear Warfare
Regions East Asia, Europe, Mediterranean
Countries Corsica, England, France, Germany, Great Britain, Italy, Russia, Sardinia, Scotland
Document Type Signals Intelligence
Organisations Foreign Office, Government Code and Cypher School
People Duncan Sandys


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 contains a message from C to Duncan Sandys; and a report from the Japanese naval attach?n Berlin, incorporating an overall review of the German Air Force (GAF) including its new weapons, on July 22, in two parts.


diplomatic intelligence, German air force, military strength, Italian Campaign, air warfare, tactics, anti-aircraft defence, air raid precautions, camouflage, secret weapons, military objectives, military situation reports, German withdrawal, Eastern Front, technology

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