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/Sardinia: of a dispute over chains of command and the future locations of respective German and Italian Air Force command authorities in Sardinia following any Allied landing on the island, on June 16; that a heavy infantry gun company is to transfer from Italy to Sardinia, on June 16; and that an Axis ship was sunk en route from Italy to the Aegean, on June 14; Naval Headlines, covering that 3 Italian submarines are to leave Bordeaux for the Atlantic on June 16, probably en route to the Far East; from the Japanese ambassador in Ankara, on the future progress of the war as seen from Turkey; that the Germans are intent on capturing Leningrad this summer but elsewhere on the Russian Front will await a Soviet offensive; and that the Germans are preparing for an intensive air offensive against the U.K., on June 7; from the Japanese minister in Madrid, a report of June 11 on a secret meeting at Toledo on June 5 of the junta of military leaders held probably as a result of the Argentine revolution; on rumours of an impending invasion of the Iberian Peninsula; of a conference in Madrid on June 10 for the Axis military attachés to pool their information; and that a minister considers an Allied invasion unlikely although Spain had carried out military contingency measures as a precaution; from the Japanese ambassador in Berlin, detailing discussions with the Italian ambassador concerning his recent talks with Ribbentrop; that Germany is now playing a waiting game and watching the Western Allies before starting her major offensive on the Russian Front; that Italy urgently required air support from Germany; that the Allies had employed some 200 ships and 1000 aircraft to capture Pantelleria and were now expected to invade Sicily or Sardinia; and that Italy's resolve would continue as long as Mussolini was alive, on June 12; and from the Turkish chargé in London, a report of June 14 from Ankara that the Western Allies were working to bring about an agreement between the Vatican and Russia with the object of removing Catholic distrust of Russia in both the U.K. and the U.S.