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) at Tunis is to prospect sites for the construction of airfields for transport aircraft; on the Mediterranean: that tugs and escorts are to transfer the Italian cruiser Gorizia from Maddalena to Spezia, on April 11; and that the crews of the Italian cruisers Trieste and Gorizia are to be crews for French cruisers, from April 11.