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 Commander-in-Chief (CinC) of the German Air Force (GAF) is keen to secure the wireless telegraphy station at El Qurein, south west of Alexandria on July 3; and that more fighter protection was called for by the Panzer Army on July 3.