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: Naval Headlines, covering German and Italian activity; on North Africa: of German Air Force (GAF) intentions for June 23; that Kesselring declares Sidi Barrani is free for bombing, on June 23; a Panzer Army report for June 23; that the Panzer Army is to attack on June 23; and that a landing flotilla at Benghazi requests fuel for a special operation, on June 20.