The US Marine Corps logo is seen March 9th, 2012, at the US Marine Corps Base Quantico shortly before USMC officials deliver a briefing on the Active Denial System, 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/ <PERSON>