Document Title Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence
Reference HW 1/2934
Conflicts Second World War
Themes Military Intelligence and Operations
Regions Europe
Countries France
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: that the Germans conclude the possession of Cherbourg is of decisive importance to the Allies, therefore the 77th Infantry Division is being despatched to Valogne, on June 11; a battle report for June 11, noting the 352nd Infantry Division and the 3rd Parachute Division are on the St Lo-Bayeux road, and the 17th SS Panzer Grenadier Division is assembling south west of Carentan; that all Seine bridges between Rouen and a point 12 miles north west of Paris were destroyed by the afternoon of June 8; that an ammunition train was destroyed in an air raid en route from Maintenon to the Dijon area, on June 6; that a German Air Force (GAF) fighter unit in France requests increased rations for its pilots are operating 18 hours a day, on June 11; that the U-boat flotillas at Pallice and Bordeaux are out of certain types of flak ammunition, and also request the assurance of a continuing supply of torpedoes, on June 11; of German Admiralty orders for the demolition of Cherbourg harbour despite local warnings of the adverse effect on morale of its premature destruction, on June 11; of detailed orders for sinking blockships in Marseilles harbour, on June 10; that operational orders for the 3rd Air Fleet for June 12 include a concentrated attack on the area north of Caen as required by Army Group B; of the intentions of the 81st Corps for June 12; the 716th Division reports further formations being brought up to counter an Allied thrust south and south east of Bayeux, on June 12; that Allied tanks broke through west of Caen, on June 11; that a large number of paratroops landed north of Rocquencourt; on identifications of Allied troops in Normandy, on June 11; the main and branch rail lines are reported to have been cut in the southeast Brittany-Anjou-Touraine area, on June 9; of heavy damage to rail tracks at Dreux station, on June 11; the 3rd Air Fleet reports fighting in front of the 89th Army Corps, that the Allies recaptured Sallenelles and Amfreville, and that the area from Varaville-Bavent is coming under a heavy Allied naval bombardment, on June 11; on movements of the 3rd Parachute Division and the 17th SS Panzer Grenadier Division which are concentrating east of St Lo, on June 9; and of the 2nd SS Panzer Division loading at Perigueux and Limoges, on June 11.


German strategy, troop movements, Battle of Normandy, Operation Overlord, military situation reports, aerial attacks, transportation, German air force, food supplies, personnel, military shortages, German U-boats, psychology, demolitions, ports, naval bases, operations planning, German army, counter-attacks, breakthroughs, tanks, British army, assessing enemy strength, casualties, paratroopers, railways, effects of bombing, communications disruption, military organisation

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