Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/3164
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Europe
Countries Not Defined
Document Type Signals Intelligence
Organisations Government Code and Cypher School
People Not Defined


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 France: of preliminary orders for the transfer of the bulk of the German Air Force (GAF) fighter force west of the Seine to an area east of Paris, on August 8; an 84th Army Corps situation report for early on August 9, noting an Allied penetration south of Vires, that a counter-attack was unsuccessful, that the 363rd Infantry Division is unable to build up a continuous front, high losses in armour-piercing weapons and assault guns, and that night movement is difficult because of heavy artillery fire; a GAF situation report for the evening of August 8, describing the Allies attacking on a broad front, with thrusts south of Caen, on both sides of Thury, and west of Vire splitting the German front and tying down German forces - the report anticipates the main thrust to continue to the east and south-east, and concludes the Allies are well informed on the German situation and the state of their forces; that the 2nd SS Panzer Division Reich has left the sector of the 47th Corps to become subordinated to the 58th Corps, on August 9; that the 9th Panzer Division is to protect the Corps' left flank in the sector from Segrie-Belleme; of the 9th Panzer Division being subordinated to the 81st Army Corps; battle reports from Brittany for August 8: the 25th Army Corps reports the strong point and harbour on Quiberon have been evacuated, but the harbour has not been destroyed; and that terrorists are active in the St Nazaire and Lorient battle areas; and on a special Channel operation by German human torpedoes, on August 3.


military dispositions, German air force, occupied France, military situation reports, Allied powers, military operations, Battle of Normandy, German army, counter-attacks, aerial reconnaissance, troop movements, military organisation, German strategy, guerrilla warfare, anti-Nazi resistance, naval operations, German navy, casualties, shipping losses

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