Perfect practice makes perfect
Col. Daniel Tulley, 6th Air Mobility Wing commander, and Capt. David Sproul, 91st Air Refueling Squadron pilot, prepare to land at MacDill Air Force Base, Fla., Oct 13, 2015. MacDill’s aerial refueling enables the U.S. to project might and mercy anywhere in the world within a matter of hours. (U.S. Air Force photo by Airman 1st Class Mariette M. Adams/Released)