Senior Airman Antonia Lowman, a public health technician with the 315th Aerospace Medical Squadron, reviews a baseline hearing test with Maj. Nicole Hurley, 315th AMDS officer in charge, after her test Saturday Nov. 1, 2014, in the aerospace medicine office here at Joint Base Charleston, South Carolina. (U.S. Air Force photo by Staff Sgt. Rashard Coaxum)