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: the Panzer Army's report on its fuel situation for November 20; that Rommel asks Kesselring to fly forward fuel from Tripoli, on November 19; and that Gabes harbour and airfield are to be held to the last man by the Axis, on November 20.