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 North Africa: that the German Air Ministry restricted test flights in the interests of fuel economy, as of August 23; on the Russian Front: a report for August 26/27, describing many Russian counter-attacks; Naval Headlines; and a message from the Italian ambassador in Tokyo, on the failure of Japan to grant concessions to Italian interests in south-east Asia, on August 24.