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: German Air Force (GAF) air operations of November 27; an Italian admiral's appreciation of November 27; a GAF report on excellent results with 2 cm armour piercing shells and a request for more, with a query from the Prime Minister (PM) and the Chief of the Imperial General Staff's (CIGS') reply; on the Moscow Front: German reports of November 26; of a XLI Army Corps move on November 27; a German report of November 26; and a 12th Anti-Aircraft division operational report for November 26.