A U.S. Airman assigned to the 489th Maintenance Squadron places the name of Col. David Martinez, 489th Bomb Group commander, on a B-1 Lancer during the unit's change of command ceremony at Dyess Air Force Base, Texas, Nov. 8, 2021. Martinez served as the 91st Attack Squadron commander prior to his current assignment. (U.S. Air Force photo by Senior Airman Kate Bragg)