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 intelligence on the British order of battle on July 22; and that the 90th Light Division requested a German Air Force (GAF) recce of enemy tank movements on July 23; and on the Southern Russian Front: of GAF operational orders for the support of attacks on July 23.