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 was submitted to the Prime Minister (PM), but not seen by him, except T153/22. This file includes the following reports on South Europe: a German report on Allied air attacks on rail and road communications in Italy, on April 11-12; on France: of the Var bridge near Nice being heavily hit in a Boston raid, on April 12; on the Southern Russian Front: that the Admiral for the Black Sea seeks air defence for Constanza, the sole remaining large port for the evacuation of Crimea, on April 11; and the German Navy reports the mining of the Danube by aircraft, on April 9; on Western and Southern Europe: a German Air Force (GAF) appreciation of Allied air force dispositions and strategy in Western Europe and the Mediterranean in the final phase of invasion preparations, on April 6; on West Europe: that the German Armed Forces High Command is setting up a parachute training and replacement division in Holland, with the first mention of the 5th Parachute and 91st Airlanding Divisions, both in a west Europe context, on March 29; from the French chargé in Bucharest to Laval in Vichy, describing Allied air attacks on Ploesti, on April 9; from the Portuguese chargé in Bucharest, detailing an Allied air raid on Bucharest, on April 10; from the Brazilian delegate in Algiers, that the French have abolished the post of commander-in-chief and placed the French forces under a committee, on April 13; from the Turkish minister in Sofia, regarding air raids on Sofia on March 29 and 30; and from Ribbentrop, the German Minister of Foreign Affairs, to all stations: an assessment of Germany's military and political situation to counter enemy propaganda, and mentioning new weapons to be used against the British Isles, on April 7.