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 West Europe: that the German Air Force (GAF) are no longer able to provide protection for jets during take off and landing on the same scale as before, from February 24; on East Europe: of heavy Soviet pressure, with all available forces to replenish the defensive front east of Libau, on February 23; Naval Headlines; from the Japanese minister in Madrid, on Spanish-French relations, as of February 18; from the French ambassador in Washington, that France is to be invited to the San Francisco Conference, with French disapproval over its failure to be invited to Yalta having been made known to the U.S., on February 12; from the French delegate-general in Beirut, on apprehension at a Churchill-Roosevelt meeting with Arab leaders in Cairo, despite British assurances over French interests in Lebanon, on February 21; from the German Ministry of Foreign Affairs, propaganda directives, on February 17, 19 and 20; and from the Portuguese ambassador in London, relating the press view that the Churchill-Roosevelt talks with Arab leaders after Yalta will have displeased the Soviet Union, on February 22.