U.S. Air Force Tech. Sgt. James Mallard, physical medicine technician, flight chief of ancillary operations with the 379th Expeditionary Medical Operations, stretches a patient’s arm at Al Udeid Air Base, Qatar, May 15, 2017. Airmen assigned to the physical therapy element help other service members regain full mobility from an injury and experience relief from pain. (U.S. Air Force photo by Tech. Sgt. Amy M. Lovgren)