Front Cover

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: a Panzer Army report of increased British patrol activity in North Africa from March 7; intelligence that in the Mediterranean, Kesselring was transferring a bomber group from Greece to Catania on March 8; and a German ground forces report of Soviet attacks on the Russian Front from March 7. This file also includes Naval Headlines reports from March 6 with the Prime Minister's (PM's) query on a sunken British submarine and the First Sea Lord's (1SL's) reply; and reports on German activity, noting that the Tirpitz was operating against an Arctic convoy; and on Italian activity. This file also contains messages from the Greek ambassador in Ankara on the possibility of an attack on Turkey via the Dodecanese, from March 5; from the Japanese ambassador in Berlin on a conversation with Ribbentrop on the war with the U.S. and the imposition of peace demands on February 28; from the Turkish ambassador in Washington on the need to encourage the U.S. to counter British territorial concessions to the U.S.S.R. from February 28; from the Turkish ambassador in Budapest reporting that Bulgaria will not take an active part in the war from March 3; from the Turkish ambassador in Vichy on the possibility of German-Soviet armistice from March 5; and from the Japanese ambassador in Berlin on a conversation with Ribbentrop on the war situation and the isolation of the U.S.S.R. on February 28.