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 Mediterranean: of Axis shipping movements including the sailing of the Belluno from Tunis for Naples, and that the Italian cruiser Scipione is to leave Spezia for Taranto, on May 6; that the tugs Tebessa, Gabes and Sousse left Bizerta for Tunis, on May 6; that an Axis convoy in Trapani is to remain overnight, on May 6-7; that a troop convoy with the Donizetti, Re Alessandro and Citta Di Savona is probably sailing for the Dodecanese on May 8; that three supply ships and cargoes from Reggio for Tunisia, leaving on May 5, are travelling by night from Trapani, on May 6-7; that a convoy was reported to have been sighted by Allied aircraft, on May 6; that a convoy was reported to have left Trapani at 1700 on May 6; of Kesselring's instructions of May 6, for the protection of ships unloading even outside harbour installations, and indicating heavy commitments for the Sicily forces on May 7; that a convoy returned to Trapani because of the weather conditions without authorization, on May 5; that the San Pedro left Naples escorted by the Orione for Bizerta, on May 6; that a German submarine was reported to be en route for North Africa laden with ammunition, on May 6; a summary of shipping activity in the Mediterranean on May 6; that strong fighter protection was despatched to cover a convoy sighted by Allied aircraft, on May 6; that the departure of the Belluno was delayed by an Allied air attack on the intended escort vessel on May 6; of the sailing of the Belluno being suspended, on May 6; a summary of air transport movements to and from Tunisia, on May 5; of air transport arrangements with departure and arrival airfields listed for the night of May 6-7; of a notification to Kesselring of the 2nd Air Corps' intentions for the night of May 6-7 and May 7; and of air transport plans for the night of May 6-7.