1st Lt. Travis Schaffer, 633rd Medical Operations Squadron emergency room registered nurse, give his patient a run-through of his examination, Sept. 10, at U.S. Air Force Hospital Langley, at Langley Air Force Base, Va. Schaffer said his main motivation to become a nurse was to help those in need. (U.S. Air Force photo by Airman 1st Class R. Alex Durbin/Released)