A US Marine Corps truck is seen carrying a palletized version of the Active Denial System, March 9th, 2012, at the US Marine Corps Base Quantico, Virginia. It is a US DoD non-lethal weapon that uses directed energy and projects a beam of man-sized millimeter waves up to 1000 meters that when fired at a human, delivers a heat sensation to the skin and generally makes humans stop what they are doing and run. (AFP Photo/Paul J. Richards)
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