Staff Sgt. David Dillow, 386th Expeditionary Medical Group physical therapy technician, teaches Senior Airman Calvin Lourens, 386th Expeditionary Logistics Readiness Squadron passenger service specialist, techniques to help relieve his pain Dec. 7, 2017, at an undisclosed location in Southwest Asia. (U.S. Air Force photo by Tech. Sgt. Louis Vega Jr.)