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 the Mediterranean: that the German Air Force (GAF) ordered a recce and counter-measures against Allied action against North Africa and Crete, on July 29; on the Southern Russian Front: a GAF report on the German advance on July 29; and a GAF report on the ground situation for the evening of July 29; and Naval Headlines, covering Italian activity.