Brig. Gen. Jeannie Leavitt, 57th Wing commander, Nellis Air Force Base, Nev., speaks at a change of command for 57th Adversary Tactics Group, August 5, 2016. General Leavitt entered the Air Force in 1992 after earning her bachelor’s degree in aerospace engineering from the University of Texas and her master’s degree in aeronautics and astronautics from Stanford University. (U.S. Air Force photo by Airman 1st Class Kevin Tanenbaum)