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: German 11th Army progress reports for September 11; reports that the 6th Army was making progress north of Kiev in the face of Soviet resistance on September 10; 2nd Air Corps instructions to attack Russian withdrawals to the east and southeast; reports that the 24th Panzer Corps was advancing south of Konotop; reports that the 1st Panzer Group was attacking from the Kremenchug bridgehead and had made progress to the north, while the 11th Army had met strong Soviet resistance near Perekop; reports that German army groups were engaged in a wide pincer movement towards each other east of Kiev, supported by aircraft; reports of a drive northwards from Kremenchug supported by the 4th and 5th Air Corps; consideration of the inclusion of Port Sudan in a war zone; reports that the Italian minister in Kabul had reported the Iranian ambassador as blaming Turkey for encouraging Iran to resist Anglo-Soviet diplomatic pressure; a report from the Italian ambassador in Ankara of a discussion with Bulgarian ministers touching on British and Soviet pressure to force Turkey into alignment against the Axis, and rumours about large-scale Bulgarian military manoeuvres; a report that the Japanese ambassador in Turkey felt there was probable British pressure on Turkey to define her policy on the war; rumours of differences between Fritz von Papen and Joachim von Ribbentrop over German policy in Turkey; a report by the Japanese Foreign Minister of discussions with the German ambassador on Japanese-American relations; and a report by the American ambassador in Ankara of a discussion with the Iranian ambassador about Anglo-Soviet actions over Iran. This file also contains a Naval Headlines report from September 9, covering a U-boat attack on convoy SC42 - after which they were ordered to remain in contact despite lack of torpedoes - in the Denmark Strait; orders to the battleship Tirpitz to carry out a sea refuelling exercise in the Baltic, and to the cruiser Admiral Scheer to carry out night firing practice on September 17; confirmation of the sinking of the Italian ships Costanza, Gloria Stella and Sirena; the movements of SS Liv, which was expected to sail from Tripoli on September 10 escorted by the destroyer Dezza; the sailing of the German tanker SS Tino on September 12 from Patras to Benghazi; and confirmation that the Italians were aware of the sailing of Force H from Gibraltar, but did not know in which direction.