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 an urgent German Air Force (GAF) order for aviation fuel from Tobruk on July 22; and the German 90th Light Division reports that El Taqa is free of British forces, on July 23; Naval Headlines, covering German and Italian shipping movements to and from North Africa; from the Italian ambassador in Shanghai, on Japanese preparations to attack the Soviet Union; and from the Turkish chargé in Kuibyshev, on Chinese information on Japanese preparations to attack the Soviet Union.