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: a Panzer Army appreciation for July 9; of the location of Rommel's battle headquarters, on July 9; on tank supplies for the Panzer Army, on July 9; and that Rommel issued 3 days' rations to the troops on July 9; and on the German Navy: a summary for July 9.