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: 715th Infantry Division reports for February 19; and that Allied bombers hit 3 ships at Leghorn, on February 18; and on South-east Europe: that the expenditure of ammunition on practice firing is to be strictly limited, so as not to deprive front line divisions, from February 18.