Gen. Arnold W. Bunch Jr., commander, Air Force Materiel Command, and Brig. Gen. Heather L. Pringle arrive for the assumption of command ceremony June 18 at the Air Force Institute of Technology’s Kenney Hall Auditorium. Brig. Gen. Pringle is the new commander of the Air Force Research Laboratory, headquartered at Wright Patterson AFB, Ohio. (U.S. Air Force Photo/Keith Lewis)