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 report of November 22 and intentions for November 23; on the Leningrad Front: a 16 Army report of November 22; on the Moscow Front: a German report of November 21; and another German report of November 21; and on the Russian Front: a German report of November 22.