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 West Europe: of a tour of inspection in France by the inspector general of Panzer troops, from April 22 to May 13; on South-east Europe: of German casualties on Korcula, on April 29; on South Europe: that the 51st Corps' ammunition depot west of Pescara blows up during Allied bombing, on May 2; of the bombing of a goods railway station at Florence, on May 1; and more information on the bombing of railways at Florence, on May 1; on Germany: of the bombing of Cologne on the night of April 20-21; and Naval Headlines.