Echelon is a secret U.S.-led global spy network that operates an automated system for the interception and relay of electronic communications. Monitored transmissions are said to include up to 3 billion communications daily, including all the telephone calls, e-mail messages, faxes, satellite transmissions, and Internet downloads of both public and private organizations and citizens worldwide. Led by the U.S. National Security Agency (NSA), Echelon is operated collaboratively by the intelligence agencies of the United States, the United Kingdom, Australia, Canada, and New Zealand. The organization"s name originated as the code name for the system component responsible for intercepting satellite communications. Echelon collects information through an extensive system of radio antennae and satellites that monitor satellite communications and sniffer devices that collect Internet communications from data packets.
