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 Italian Littorio Division has lost contact on July 1; operational reports of the progress of attacks on El Alamein, on July 1; and a duplicate copy of the Panzer Army's account of post Tobruk operations; see 9901.