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 report on South-east Europe: that a German Air Force (GAF) reconnaissance unit is to move to Scutari under Fliegerfuehrer Albania to reconnoitre Bari, Taranto and Brindisi harbours to seek warning of a build-up for an Allied large-scale landing in north Italy, on June 6; with a comment from the Prime Minister (PM).