Air National Guard Lt. Col. Christopher, 116th Operations Support Squadron, flies the E-8 Joint STARS in position to receive fuel from a KC-135 Stratotanker, Robins Air Force Base, Ga., June 12, 2012. The inflight refueling procedure was conducted during a mission supporting exercise Iron Dagger 2012. (U.S. Air Force photo by Master Sgt. Roger Parsons)