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: of an Axis tanker being mined and sunk off Sardinia, on August 2; and that a firm in Milan is still delivering aircraft to the German Air Force (GAF), as at July 30; on South-east Europe: of preparations by the Germans for a transfer into Italian-occupied Croatia, on July 31; and Naval Headlines.