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 North Africa: that the 21st Panzer Division appreciate German Air Force (GAF) support and request harassment at night of the enemy, on July 23; 1227/T5 and 1226/T21 were sent to the Director of Military Intelligence (DMI) under 220.