Senior Airman Corey Smith of the 188th Security Forces Squadron zeroes in his M-24 rifle during known distance sniper and advanced designated marksman qualification Nov. 6, 2015 at Fort Chaffee Joint Maneuver Training Center, Ark. The 188th SFS maintains combat readiness and efficiency through annual training on their designated weapons systems which allows them to remain proficient as marksmen. The training consisted of qualifications at 100, 300, 400, and 500 yards and with moving targets at designated distances. (U.S. Air National Guard photo by Capt. Holli Nelson)