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: of Allied air raid damage, probably at Lecce airfield, on July 2; a situation report of July 2; of indications that further tanks were shipped to Sicily, on July 1; on the order of battle of German anti-aircraft units in Sicily, on July 1; a German Air Force (GAF) intelligence report covering the central Mediterranean and Sicily, on July 1; and that GAF reconnaissance reports five heavy Allied naval units to be in Bizerta harbour, on July 2; on South-east Europe: a summary of GAF operations in the Balkans on July 1; of a German-Arab infantry formation being ordered to the Balkans, on June 30; that the Commander in Chief (C-in-C) for the South-east considers the protection of the Salonika-Athens railway to be inadequate, on June 30; and a GAF report on the ground situation in Yugoslavia, for July 1; on the Russian Front: a report of the 4th Air Fleet's operations on July 1; on Northern Europe: that bombs for the GAF are being transported by rail via Sweden to Finland, on July 2; and C reports that Sir Alexander Cadogan is being informed of this breach of neutrality.