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: BONIFACE summaries for the Deputy Prime Minister (PM), Brigadier Jacob and Mr Loxley; on Southern Europe: 7 tactical situations reports from various German Army divisions fighting in Italy, for November 29, noting that the Germans are in retreat in the face of Allied superiority in the air and on the ground; that Allied air raids on Grosseto, on November 29, destroy the airfield and cause great destruction to the surrounding areas; damage reports after an Allied air raid on the port of Civita Vecchia, on November 27; that the former Italian cruiser the Niobe is too vulnerable to Allied air attack, and is to cease support for German operations against islands in the eastern Adriatic and to sail to Trieste where she would be taken out of commission, on November 29; of Allied air raids on targets in Yugoslavia, on November 29; of the results of an Allied air raid on the port of Gruz, north of Dubrovnik, on November 29; and of Axis shipping losses in the eastern Mediterranean, on November 22/23; on the Russian Front: a situation report for November 28, describing the Germans falling back in the face of the Russian advance, particularly in Ukraine and Crimea; and of German Air Force (GAF) reconnaissance results for November 29.