Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence

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 an undertaking planned for June 12 being postponed to the following day; that the 2nd Air Corps was unable to redirect formations in good time because of the signals situation, and is unable to maintain a continuous operation in preparation for attacks because of the air situation, on June 12; that command tasks of Panzer Group West were given to the 1st SS Panzer Corps following the wounding of its Ground Officer Commanding (GOC), on June 10; the 47th Panzer Corps reports the 2nd Panzer Division is on the march to an assembly area 20 km south of Falaise, on June 11-12; an evening report for June 11, summarising Allied concentrations north of Caen and east of Bronay, a penetration near Chouain, the location of the main defence line, and that an attack on Carentan was repulsed in hand-to-hand fighting; that two-thirds of the French workmen have defected from Lorient dockyard since the invasion, and that eight German shipwrights are only releasable to Brest in case of an extreme emergency only, on June 10; of German Air Force (GAF) support being requested for a counter-attack by the 17th SS Panzer Grenadier Division against a point north of Carentan, on June 12; the 3rd Air Fleet reports the use of tanks against French guerrillas in the Romans Mountains, on June 12; and the 2nd Air Division reports a plan for a raid on Allied shipping north east of Barfleur with aircraft from Cognac and Avord, on June 12-13.