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the following reports: SHARK, for October 30 and 31; on South Europe: that the Hermann Goering Division is to be withdrawn from the front in the next 10 days, from October 29; a report from the 1st Parachute Division, for October 31; that the 76th Panzer Corps repels enemy attacks, on October 31; and of damage caused to Civita Vecchia in an Allied air raid, on October 31; on South-east Europe: of a critical food situation in Split, with the air supply of food to be ensured, on October 31; and Naval Headlines, covering U-boat activity.