U.S. Air Force Lt. Col. Melissa D. Jumper, the incoming 28th Civil Engineer Squadron commander, gives a speech after assuming command at Ellsworth Air Force Base, S.D., July 29, 2022. The assumption of command ceremony is a military tradition that dates back to ancient Rome and allows Airmen to witness the exchanging of command from one officer to another. (U.S. Air Force photo by Senior Airman Quentin Marx)