Brig. Gen. Charles L. Moore Jr. took over the reins of the 57th Wing at Nellis from Brig. Gen. Terrence J. O’Shaughnessy, who awaits his next assignment, during change-of-command ceremony at Nellis Air Force Base on Monday. Moore’s last assignment was commander of the 20th Fighter Wing at Shaw Air Force Base, S.C. He also served as commander of the 555th Fighter Squadron and led the squadron during a 2005 combat deployment for Operation Iraqi Freedom. As commander of the 57th Wing he oversees 38 squadrons and four groups including the U.S. Air Force Weapons School.