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 German Air Force (GAF) are to concentrate on the British artillery and air force at El Alamein; and on Germany: that following orders from Goering, the GAF seeks personnel to be trained as officers due to a dire shortage in its flak units, on September 27.