1. Field Gear consists of helmet, web belt, canteen, and, if issued, body armor (WORN OVER THE OVERGARMENT). 2. Carry or keep at hand protective equipment such as M8/M9 paper, Nerve agent antidotes, and decontamination kits. 3. If "All Clear, MOPP 0" is announced, web belt and canteen may be worn if desired. 4.