U.S. Air Force Col. Jason A. Purdy, 23d Maintenance Group commander, greets his family after a change of command ceremony at Moody Air Force Base, Georgia, July 15, 2021. The 23d MXG oversees the 23d Wing's maintenance training program, which ensures personnel and cargo qualification and capability for worldwide development. (U.S. Air Force photo by Staff Sgt. Jordan Garner)