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 Western Europe: of the orders for the 15th Flying Division, on March 20; a German Air Force (GAF) situation report mentioning the construction of a defence line, on March 20; the Commander in Chief (C-in-C) West reports that the German artillery facing the Remagen bridgehead is too weak, on March 19; on the importance of battle units for the destruction of Rhine crossings, on March 20; and of Hitler's orders for measures for destruction in Reich territory, on March 20; and on Southern Europe: an appreciation by the C-in-C for the South-west, on March 13.