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 North Africa: of German Air Force (GAF) losses in a British raid on an aerodrome, during the night of September 23-24; that the GAF are suffering intolerable losses from British attacks on their aerodromes, on September 23; that the Panzer Army has now been re-designated the German-Italian Panzer Army, as of September 23; and that any reference to the military significance of German physics lectures has been forbidden; on the Southern Russian Front: GAF operational orders for September 23; 1441/T12 was sent to the Assistant Chief of Air Staff Intelligence (ACASI) under 874.