3146

Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/3146
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Atlantic, East Asia, Europe, Mediterranean, North America, South Asia
Countries England, Germany, Hungary, India, Japan, Russia, St Vincent, United States of America
Document Type Signals Intelligence
Organisations Government Code and Cypher School, Security Service
People Edward Bridges

Description

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 Western Europe: that according to Hitler's orders of August 4 all small harbours in Brittany are to be destroyed except one on the north coast and three on the south coast; that the main U.S. army advance is expected to be southwards from Rennes, on August 4; German Y Service reports on Allied advances, from August 2 and 4; of towns being occupied by the Allies, on August 4; two reports on the main defence line withdrawal according to the German Air Force (GAF), on August 4; two reports on the withdrawal of the army; and that infantry support and the 25th Corps were ordered to retake Vannes, on August 4 and 5; that north coast Breton harbours are ready to be blown up by the Germans, on August 4; that a German battle group was ordered to break through to Brest, on August 4; that the Germans demolish a repeater station at Vannes, on August 4; three reports on the order of battle of German units in Brittany, for August 3 and 4; three reports on the order of battle from the 84th Army Corps and the 2nd SS Panzer Division, on August 5; on a withdrawal by the 1st SS Panzer Division, on August 5; on the withdrawal of German flak forces in the south-west part of Normandy, on August 5; a 21st Panzer Division report, for August 4; a 9th SS Panzer Division situation report and its intentions, on August 4; the GAF reports the effect of an Allied raid on a Var bridge, on August 4; and of Allied damage to the Bordeaux area, on August 4; from Dr Wang Shih-Chieh, in Chungking, relating Chinese views on the proposed visit of Madame Chiang to England in the autumn, on July 27; from the Foreign Ministry in Ankara, on Japanese-Soviet negotiations, on August 4; from the Portuguese charg?'affaires in Budapest, describing the political crisis in Hungary, on August 2; and Naval Headlines.

Keywords

German withdrawal, occupied France, demolitions, ports, predicting enemy intentions, United States Army, troop movements, captured settlements, Battle of Normandy, German army, military dispositions, defence, German strategy, counter-attacks, guerrilla warfare, anti-Nazi resistance, encirclement, anti-aircraft defence, military situation reports, communications disruption, railways, air raids, effects of bombing, oil, diplomatic intelligence, Anglo-Chinese relations, Chinese Nationalists, Soviet-Japanese relations, naval intelligence

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