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 contains a message from C to the Director of Military Intelligence (DMI), with a report from North Africa: a German Air Force (GAF) report for September 30, that British ground forces were repulsed with prisoners being taken; a query from the Prime Minister (PM); and the DMI's reply.