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 Southern Europe: ten German transport aircraft are reported to have been shot down off north-east Sicily, on July 25; on Northern Europe: of an Allied attack on Trondheim including considerable damage to a dockyard, on July 24; on South-east Europe: of Allied naval activity off Skarpanto, on July 25; and Naval Headlines. This file also includes the following correspondence: from the Japanese ambassador in Berlin, giving the views of Ribbentrop on the Sicilian and Russian fronts, on July 20; from the Japanese representative to the Vatican, relating the views of the German ambassador Weizacker on the Italian situation, as at July 20; from the Chinese minister in Ankara, reporting Turkish opinion on the Italian situation, on July 22; from the Portuguese minister in Stockholm, on the German war strategy, on July 21; from the Spanish ambassador in London, noting British opinion on the Allied air raids on Rome, on July 22; and from Madrid to the Spanish ambassador in London on what stance to take when seeing Churchill, on July 21 (see also 3967).