In recent years the importance of Signals Intelligence (Sigint) has become more prominent, especially the capabilities and possibilities of reading and decipher

In recent years the importance of Signals Intelligence (Sigint) has become more prominent, especially the capabilities of reading and deciphering diplomatic, mi

West traces the origins of British signals intelligence and details developments up to the present. Annotation copyrighted by Book News, Inc., Portland, OR

SIGNALS INTELLIGENCE, or SIGINT, is the interception and evaluation of coded enemy messages. From Enigma to Ultra, Purple to Lorenz, Room 40 to Bletchley, SIGIN