Air Force Maj. Gen. Roosevelt Allen, chief of the U.S. Air Force Dental Corps, Washington, observes dental procedures being conducted during the Smoky Mountain Medical Innovative Readiness Training exercise, Hayesville, N.C., Aug., 7, 2017. The IRT 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)