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 15th Panzer Division status report for July 4-5; of a German request for locomotives from Italy to operate on the captured desert railway, on July 4; and on the disposition of Italian divisions, on July 5; and on the Arctic convoy: further details of the German air attacks of July 4.