Instructors operate a 138th Combat Training Flight Air National Guard Advanced Joint Terminal Attack Control Simulator while a Tactical Air Control Party specialist calls in an airstrike during a simulated mission at Will Rogers Air National Guard Base in Oklahoma City, May 9, 2018. The simulator has saved the Air National Guard and Air Combat Command both time and money while ensuring the readiness of battlefield Airmen. (U.S. Air National Guard photo by Staff Sgt. Tyler Woodward)