Lt. Col. David Miller, an optometrist assigned to the 442d Medical Squadron at Whiteman Air Force Base, Mo., assists in setting up a phoropter, which was used to give eye exams in Hayesville, N.C., Aug. 1, 2017. The Innovative Readiness Training program meets training requirements for active, reserve and National Guard members and units while addressing public and society needs. (U.S. Air National Guard photo by Staff Sgt. Ryan Campbell)