Staff Sgt. Luke Wagner, a member of the 137th Security Forces Squadron, Will Rogers Air National Guard Base, Oklahoma City, demonstrated proper technique of firing a weapon while behind a barricade at the Oklahoma County Sheriff's Office Training Center in Oklahoma City, May 26, 2016. Wagner served as an assistant instructor for weapons training course during May 24-26. The Oklahoma Country Sheriff's Office led the training to enhance communication and compatibility between various Oklahoma law enforcement groups. (U.S. Air National Guard photo by Senior Airman Tyler Woodward)