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Surveillance technology

Bobby Sunderland of the U.S. Coast Guard, center, reacts as Customs and Border Protection agent Michael Ringgold shows him the new features of the enhanced radar aboard the Bombardier DHC-8-200 or "Dash-8" airplane during a mission. With them is U.S. Coast Guard censors branch training chief Don Rudat, right. Amy Beth Bennett / South Florida Sun-Sentinel
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