Col. Susan Riordan-Smith, left, 23d Mission Support Group commander, shares a laugh with Col. Brian Stumpe, incoming 23d MSG commander, during a change of command ceremony, July 25, 2018 at Moody Air Force Base, Ga. The 23d MSG recognized the formal transfer of authority and responsibility for their unit as Col. Susan Riordan-Smith relinquished command to Col. Brian Stumpe. The 23d MSG is comprised of six squadrons with approximately 1,500 personnel dedicated to training, equipping and deploying personnel support forces to build, protect and sustain air bases worldwide for combat air operations. (U.S. Air Force photo by Senior Airman Greg Nash)