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 Italy: that the 14th Corps is anticipating an Allied attack in the Cassino direction during the last week of December; on the Adriatic: of a landing being effected, of land fighting against increasing partisan resistance, and on the prospects for Operation PENITENT 3; on South-eastern Europe: that a heavy air attack on Piraeus has aggravated the Aegean shipping situation, on December 22; Unit Holler reports the cutting off of Gythion by partisans, with German forces inadequate to cope; that reinforcements are urgently requested together with supplies of ammunition; that the urgent delivery of weapons and ammunition to Greek nationalists has been requested, with suggestions they could be employed on operations; and that food is in short supply; an urgent request from Stoeckle in Monemvasia, for weapons to be sent to Molai for the safety of the nationalist population after the departure of the German troops, on December 23; of the Naval Officer in Command (NOIC) in Gythion calling for the urgent reinforcement of units; that strong partisan groups are trying to encircle Gythion, on December 22; the 15th Mountain Corps in Croatia reports the situation at Velika Gorica becoming more acute, and anticipates a major attack, with extreme danger of losing Velika Gorica, and with Lucko also in danger, and a very tense situation in Agram; the summary of a report of a meeting between the Japanese ambassador in Berlin and Ribbentrop (see also 5213 and 5188); from the Japanese ambassador in Berlin, on the Allied air raid on Berlin, on December 18; on the Russian Front: of Soviet points of penetration in the Nikopol bridgehead being cleared up and that the German Front has improved; and of drift ice endangering vessels withdrawing from Nikolaev, on December 24.