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 Southern Europe: a 10th Army report for January 24, describing a weak German force in the 5th Mountain Division's sector being surrounded by Allied forces; another 10th Army report for January 24; and a 10th Army report for January 23, including details of all the units sent to reinforce the 1st Parachute Corps, which is opposing Allied landings in the Anzio area.