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 instructions from the 2nd Air Corps indicating its reinforcement in the sector west of Moscow; on the German Air Force (GAF) watching for Soviet submarines entering the Baltic from the Gulf of Finland; on instructions from the 4th Air Fleet to GAF on September 21 to the mission in Romania cancelling the protection of Nikolaev and Odessa and ordering the mission to withdraw from operations to positions in Berlin and Nurnberg, and giving orders for the defence of Odessa once captured; a situation report of Ukrainian operations, stating that Soviet forces were fighting strongly in the Orkhitsa sector and being pushed back near Belaya-Tserkov, that Soviet prisoners had been taken from 34 different Divisions, and that the 48th Army Corps was narrowing the pocket north of Udaj; 4th Air Corps reports of substantial successes against Soviet shipping in the Black Sea from September 14-21; reports of hold-ups on the Danube to shipping because of possible sabotage; a report that Saboteurs destroyed a Romanian electricity works; a request from Aerodrome Regional Command in Crete for the urgent despatch of the tanker Ondine to Heraklion to prevent an operation being endangered on September 18; a report of a GAF Signals Unit being flown from Greece to Africa; a request for salvage operations in Tripoli to be protected by heavy fighters; a report that the burning tank lighter Giorgio has been towed out of Benghazi on September 22, and towed back to discharge its remaining petrol on September 23; a report that ten heavy fighter aircraft were transferred to Catania for convoy protection duties on September 22; a report that single-seater fighter aircraft will arrive at Gazala on September 23 from Germany; a report from Vichy that Admiral Darlan remains pro-Germany and is optimistic about German conduct of the war on August 10; reports that Pierre Pucheu intends to reorganize personnel in the Prefectures and that the Swiss are reluctant to accept the Vichy nomineé as French ambassador; and a report from the Turkish ambassador in London on the implications of the Montreux Convention on Bulgarian shipping wishing to pass into the Black Sea from the Mediterranean.