U.S. Air Force Tech. Sgt. Scott Hatch, 455th Expeditionary Medical Group biomedical equipment technician and Craig Joint Theater Hospital facility manager, performs maintenance on a blood testing machine at Bagram Air Field, Afghanistan, Sept. 24, 2015. Hatch is deployed from Travis Air Force Base, California. (U.S. Air Force photo by Tech. Sgt. Joseph Swafford)