23d Maintenance Group changes command
U.S. Air Force Col. Jason A. Purdy, right, prepares to assume command from Col. Stephen M. Harvey, 23d Maintenance Group commander, center, with Col. Russell P. Cook, 23d Wing Commander, presiding over the 23d MXG change of command ceremony at Moody Air Force Base, Georgia, July 15, 2021. The ceremony is a military tradition that represents a formal transfer of a unit’s authority and responsibility. (U.S. Air Force photo by Staff Sgt. Jordan Garner)