Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/605
Conflicts Second World War
Themes Military Intelligence and Operations, Foreign Policy and International Relations
Regions Africa, Europe, Middle East, South Asia
Countries France, Germany, India, Italy, Libya, Russia
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: a report on Libya for May 29; a report of photographic reconnaissance, and a successful STORCH operation; Naval Headlines, covering the Tirpitz putting to sea for exercises on May 28; Japanese reports that the Siamese Army is eager to fight, on May 7; a Portuguese report on conditions in Romania, on May 25; and a Turkish report from Vichy of the German ambassador's views on Franco-Italian relations, on May 26.


military situation reports, Desert War, sabotage, railways, German airborne troops, naval intelligence, German U-boats, Arctic convoys, warships, Italian navy, shipping, diplomatic intelligence, Thai politics, food supplies, Axis powers, Allied strategy

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