Army Staff Sgt. ReMarcus Curry a chemical specialist assigned to the HHC, 4-118th Combined Arms Battalion, 218th Maneuver Enhancement Brigade, South Carolina Army National Guard, zeroes his M4 Carbine on Fort Jackson, Feb. 27, 2016. The zero range allows Curry to adjust his weapon’s sights before heading to the qualification range. ( Air National Guard photo by Tech. Sgt. Jorge Intriago)

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