Brig. Gen. John. C. Flournoy, Jr. (left), commander,

Brig. Gen. John. C. Flournoy, Jr. (left), commander, 4th Air Force, flies an approach in a KC-10A Extender simulator with Capt. Ray Kui, instructor pilot with the 79th Air Refueling Squadron, during training March 16, 2015 at Travis Air Force Base, Calif. The general is a command pilot with more than 3,580 flight hours in a variety of Air Force aircraft, including the B-52 Stratofortress, HH-60G Pave Hawk, C-130H Hercules, C-40C and KC-10A. (U.S. Air Force photo/Lt. Col. Robert Couse-Baker/Released)