Lt. Col. Scott Major, left, Air Combat Command Training Support Squadron commander, presents Lt. Col. Mike El Mann, Headquarters Training Support Squadron Detachment 15 commander, with the meritorious service medal at the Detachment 15 change of command ceremony at Seymour Johnson Air Force Base, North Carolina, April 9, 2021. El Mann is a decorated senior navigator and evaluator weapon system officer with more than 17 years of service. (U.S. Air Force photo by Airman 1st Class Kimberly Barrera)