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: a German Air Force (GAF) request for reconnaissance aircraft on November 20; a GAF report on an attack by Hurricanes on November 20; a GAF general summary for November 19-20; on North Africa: an Italian report of November 21 on the British offensive; and a report of German formations in Crete, from November 18.