Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/595
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Africa, Atlantic, Europe, Mediterranean, Middle East, North America, Pacific
Countries Crete, Finland, Germany, Gibraltar, Great Britain, Italy, Morocco, Norway, Portugal, Romania, Russia, Turkey, 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 on North Africa: that the Panzer Army request road and track maps, on May 23; a Panzer Army report for May 22; 1009/T31 to the Assistant Chief of Air Staff Intelligence (ACASI) with a query from the Prime Minister (PM) under 9579; that the German supply depot at Tripoli is to send gas masks to Benghazi, on May 21; on air transport for a move of German Air Force (GAF) night fighters to Crete, on May 23; on the move of ground personnel of a GAF night fighter unit, on May 23; a German Navy operations summary for May 22; on the Southern Russian Front: a GAF recce report for May 23; a fragment of a German report for May 23; and GAF operational orders for May 24-25; from the Japanese minister in Madrid on the Spanish Foreign Minister's views on the U.S., a possible Allied invasion of Turkey, Vichy France and domestic matters, on May 18; and from the Turkish ambassador in Vichy on Franco-German friction over Martinique, on May 21.


intelligence requirements, mapping, geographic intelligence, roads, military situation reports, Desert War, chemical warfare, equipment, military dispositions, German air force, night fighters, shipping losses, Battle of the Atlantic, aerial reconnaissance, Eastern Front, encirclement, German army, Red Army, morale, Allied strategy, diplomatic intelligence, neutrality, Vichy regime

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