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: that the German 15th Division is attacking on August 31; that the German 90th Light Division is to attack with the 20 Corps on August 31; and the Panzer Army reports the start of an offensive, on August 31; and on the Mediterranean: a German Air Force (GAF) report for August 30 sent to fieldmarshal (Kesselring), describing a tanker being sunk.