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: the Panzer Army's tank returns for August 21; on the Russian Front: that Soviet resistance is increasing along the whole Front of Army A and the 1st Panzer Army, on August 21; and the Japanese minister in Berne comments on the implications of a talk in Moscow, on August 20.