U.S. Air Force Chief Master Sgt. Chima Ellis, 315th Airlift Wing command chief, gives a speech during an assumption of responsibility ceremony at Joint Base Charleston, South Carolina, May 4, 2025. A change of responsibility ceremony is a tradition that commemorates the symbolic relinquishment of responsibility and leadership from one senior noncommissioned officer to another by passing of the organizational guidon. (U.S. Air Force photo by Senior Airman Megan Estrada)