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U.S. Marines from Weapons Company, 1st Battalion, 3d Marine Regiment and civilians conduct weapons testing on the 81mm experimental non-lethal Indirect Fire Munition (IDFM) rounds at Pohakuloa Training Area, Hawaii, July 16, 2018.
The IDFM is an integrated flash bang counter-personnel, non-lethal 81 mm mortar round designed to suppress personnel at range, minimizing collateral damage. (U.S. Marine Corps video by Lance Cpl. Eric Tso and Lance Cpl. Adam Montera)