Government Code and Cypher School: Signals Intelligence Passed to the Prime Minister, Messages and Correspondence

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 the Mediterranean: a progress report on a naval convoy that set out from Ankara, on September 6; a report on shipping for September 6; and a report on the sinking of the Albachiara on September 4, from September 6; and on North Africa: a German Air Force (GAF) report on the Axis front line in Egypt on September 6; and of the location of the 15th Panzer Division on September 6.