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 North Africa German Air Force (GAF): air operations of December 1; GAF reconnaissance and operations for December 2; a reconnaissance section strength return for December 2; a report on RAF activity on December 1-2; a GAF report on reconnaissance and RAF attacks on December 2; a GAF Derna report on air movements between Africa and Greece on December 2; and a GAF report that ME109s for Africa are to leave Italy for Greece on December 3.