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 contains a message from C to the Director of Military Intelligence (DMI) with the Prime Minister's (PM's) request for a special report; and on South Europe: that Group Knoechlein is to move to Viterbo, with the commander to go on ahead to the 14th Army at Capranica, on January 27.