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 West Europe: that the Germans in the Laval area and probably at Le Havre and Cherbourg have run out of 8.8 and 10.5 cm high explosive shells, on June 6; of continuous glider landings on the east coast of the Cherbourg peninsula; on the orders for June 7 to a flak unit encircled at Caen; that the electricity works at Caen has been destroyed by bombs, on June 6; that the Germans envisage the evacuation of an airfield west of Caen, on June 6; a Group West situation report, at 1600 on June 6; that a fighter unit has been subordinated and requests orders, on June 6; of German Air Force (GAF) unit moves, on June 6; of further GAF moves, on June 6; that one day fighter groups are to be brought up on June 6 to each of seven airfields, believed to be in Belgium-North France; that 5 more airfields, believed to be in central France, are to receive one day fighter groups, on June 6; and that the Oslo naval authorities order heightened vigilance against landings, on June 6.