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 West Europe: that the 1st SS Panzer Division is caught in violent fighting, on July 18; of the 1st SS Panzer Division's intentions, for July 18; on the 21st Panzer Division's situation, as at July 18; that possibly the 12th SS Panzer Division is not to march, on July 18; battle reports by the 9th SS Panzer Division and the 346th Infantry Division, for July 18; the 2nd Parachute Corps' day report, for July 18; of the Panzer Lehr Division's withdrawal under pressure, on July 18; and that the 2nd SS Panzer Corps destroyed tanks in an enemy thrust, on July 18.