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Staff Sgt. Jonathon Engler, an optometry technician from the 167th Medical Group, West Virginia Air National Guard, checks a child’s vision at Graves County High School in Mayfield, Ky., July 20, 2016, during an Innovative Readiness Training exercise. The Kentucky Air National Guard and U.S. Navy Reserve are performing a similar IRT exercise in Eastern Kentucky this month, providing no-cost medical, dental and optometry care to underserved residents. (U.S. Air National Guard photo by Master Sgt. Phil Speck)