Air Force Chief of Staff Gen. David L. Goldfein passes the flag to Gen. Arnold W. Bunch, Jr. as Bunch assumes command of Air Force Materiel Command during a ceremony at the National Museum of the United States Air Force, Wright-Patterson Air Force Base, Ohio, May 31, 2019. Bunch takes command of Air Force Materiel Command after serving as the Deputy to the Assistant Secretary of the Air Force for Acquisition, Technology, and Logistics at the Pentagon. (U.S. Air Force photo/Scott M. Ash)