First Lt. Travis Schaffer, 633rd Medical Operations Squadron emergency room registered nurse, prepares a bag of fluids to administer to a patient, Sept. 10, at U.S. Air Force Hospital Langley, at Langley Air Force Base, Va. Schaffer used his Air Force training and schooling to help an injured hiker while jogging at Mohican State Park, in Loudonville, Ohio. (U.S. Air Force photo by Airman 1st Class R. Alex Durbin/Released)