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 a Panzer Army request for 750 replacement personnel daily for 15 days from June 28; that the battle headquarters have moved to Fuka, on June 29; on intentions for June 30 to attack Alamein with all forces; and on the North Russian Front: that a German attack is planned for the northern part of Lake Lagoda, on June 28.