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 South-east Europe: of German measures against a British commando raid on Levita, on October 24-25; and a German Air Force (GAF) morning raid report, for October 25; on South Europe: the 2nd Air Fleet's final report, for October 24; and that the 14th Panzer Corps is to withdraw, on the night of October 23-24; on the Southern Russian Front: that GAF bombers are transferring from Kirovograd to Golta, on October 24; and part of an operations report for October 24.