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 Panzer Army seek fighter support because of intolerable tank losses, on June 16; and a Panzer Army report for July 24; and on the Mediterranean: the German Air Force (GAF) report losses from an RAF raid on Crete on July 25.