History Undercover

Echelon: The Most Secret Spy System (2003x4)

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A worldwide electronic surveillance network monitoring matters of international security --conspiracy-theorist fantasy or reality? Echelon is the moniker for an information-sharing policy entered into by five countries--the U.S., Canada, England, Australia, and New Zealand--that share internal espionage to sidestep national laws that forbid spying on their own citizens. Explore the technological aspects of this partnership, including encryption and hi-tech satellite communication.