surveillance :

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surveillance

ser vay luhns

  • n  close observation of a person or group (usually by the police)

  • But to be sure, they needed a plane that could stay aloft over the ocean, undetected, long enough to get detailed surveillance imaging.
  • Technicians stand next to a Heron drone to be used in a surveillance demonstration related to El Salvador's anti-drug operations, at the second military air base in Comalapa, on .
  • The Obama administration promised Congress to negotiate stronger privacy protections for Americans under terrorism surveillance but insisted on retaining current authority to .
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