Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/1712
Conflicts Second World War
Themes Military Intelligence and Operations, Foreign Policy and International Relations
Regions Africa, Europe, Mediterranean, North America
Countries Ethiopia, Germany, Great Britain, Italy, Russia, Sicily, Tunisia, United States of America
Document Type Signals Intelligence
Organisations Government Code and Cypher School, Security Service
People Edward Bridges


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: an ULTRA/BONIFACE report for Air Commodore Spencer, an alias for the Prime Minister (PM); on the Mediterranean: of damage at Lecce airfield, on June 2; that German Air Force (GAF) personnel in Sicily are being armed for ground fighting, on June 1; and that GAF Southeast are unable to release signals personnel, on June 3; from the Japanese minister in Sofia, on doubts about a German offensive on the Russian Front, from May 13; from the Japanese ambassador in Rome, on German policy on the Russian Front, on May 22; and on Italian morale, as of May 31; and from the Japanese minister in Madrid, on Allied air raids and propaganda being aimed at detaching Italy from Germany, on May 31.


effects of bombing, airfields, contingency planning, training, personnel, German air force, military organisation, diplomatic intelligence, public opinion, Axis powers, Axis strategy, Eastern Front, supply problems, food supplies, German war effort, propaganda, Allied strategy

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