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: of German Army orders for strengthening the defensive front, on July 25; Naval Headlines, covering German and Italian activity; and from the Japanese ambassador in Vichy, on Laval and the French internal situation, from July 18.