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 Europe: a 10th Army report for January 26; of the 2nd Air Fleet's orders for reconnaissance of the Anzio bridgehead on January 27; a German report on an air raid in the Ceprano area, on January 27; and on the passage of the 715th Infantry Division and a battle group of the 16th SS Panzer Grenadier Division Reichsfuehrer through Aquapendente, on January 26; and on the Southern Russian Front: that the Admiral for the Black Sea asks for attacks on Soviet airfields to stop air attacks on Crimean supply traffic, on January 25.