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: that the 2nd Air Fleet appreciate an Allied landing operation behind German lines in Italy, on March 7; Naval Headlines; from the Ministry of Foreign Affairs in Berlin, that the air war activity for February is to be relayed in conversation, on March 2; a Foreign Office assessment of civilian morale in Germany, as of March 7; from the Japanese military attaché in Italy, describing a conversation with Mussolini, on February 8; and bridgehead battle reports for March 5.