Senior Master Sgt. Jehad A. Karriem, the 315th Aerospace Medical Squadron superintendent of aeromedical services, talks during an interview about the challenges facing the AMDS during combined unit training assemblies Saturday Nov. 1, 2014, in the main meeting room in the aerospace medicine clinic here at Joint Base Charleston, South Carolina. (U.S. Air Force photo by Staff Sgt. Rashard Coaxum)