SCOTT AIR FORCE BASE, Ill. --   Col. Robert Henderson, out-going 635th Supply Chain Operations Wing commander, relinquishes command of the wing to Col. Chad Ellsworth, in-coming 635th SCOW commander, during a change of command ceremony at Scott Air Force Base, Illinois, July, 10, 2020. The 635th SCOW is made up of three groups, geographically separated around the country whose responsibility is to supply the United States Air Force with aircraft parts, fuels, vehicles, equipment. (U.S. Air Force Photo by Staff Sgt. Michael Cossaboom)