Lt. Col. John Childs performs a lumbar spine manipulation on simulated patient, Kevin Wait’s, lower back Sept. 25, 2012, at the Keesler Hospital, Keesler Air Force Base, Miss. Childs is the 81st Surgical Operations Squadron musculoskeletal research director and Wait is an 81st Surgical Operations Squadron physical therapist. Childs has been selected as the 2012 recipient of the Association of Military Surgeons of the United States Research & Development Award. (U.S. Air Force photo/Steve Pivnick)