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 a BONIFACE report on North Africa: that the 10th Air Corps was urgently requested to carry out reconnaissance of the British vanguard and the Fliegerfuehrer Africa had no suitable aircraft for the task as of January 7; and a report of leave being allowed for ground staff and to air crews of transport units in Tripoli on January 8.