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: a BONIFACE report from Brigadier Hollis to the Prime Minister (PM); a daily SUNSET intelligence report; on Southern Europe: a situation report on Sicily covering operations for August 5; and that Allied air-raids on August 6 destroyed Italian E-boat shore installations in Messina; from the German secret service: on strong Italian troop movements in south Tyrol since August 6; and on the withdrawal of Italian troops from the Balkans including Greece, on August 6.