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 Southern Europe: 7 reports from German units at the Anzio beachhead, for March 15; that the 26th Panzer Division has been withdrawn from the front line and replaced by the 362nd Division; and that the 715th Division requests German Air Force (GAF) reconnaissance support, on March 15, possibly in anticipation of an impending Allied attack.