U.S. Air Force Lt. Col. John Wiles, an optometrist

U.S. Air Force Lt. Col. John Wiles, an optometrist with the 130th Medical Group, examines a patient’s eye using a retinoscope during an eye examination Aug. 22, 2017, at Bassett Army Community Hospital, Fort Wainwright, Alaska. Airmen from the 130th MDG are performing annual training at Fort Wainwright’s B.A.C.H., which provides Guardsmen and Reservists a joint work environment as well as the opportunity to deliver local area medical care to austere sections of the state of Alaska. (U.S. Air National Guard photo by Tech. Sgt. Eugene Crist)