Lt. Col. Kathleen Mackey, the outgoing 49th Medical Support Squadron commander, passes the unit guidon to Col. Leslie A. Knight, the 49th Medical Group commander, during the unit’s change of command ceremony at Holloman Air Force Base, N.M., July 7, 2015. Lt. Col. Elbert Alford assumed command and will lead the 49th MDSS’s 77 active duty and civilian personnel who maintain the operation of all medical support activities, medical readiness items, facility management, and pharmacy operations. (U.S. Air Force photo by Senior Airman Chase Cannon/Released)