U.S. Air Force Col. Derek Oakley, 28th Bomb Wing commander, left, accepts the 28th Maintenance Group guidon from Col. Nathan Mitchell, outgoing 28th MXG commander at Ellsworth Air Force Base, South Dakota, June 29, 2023. Mitchell’s played a crucial role during the 28th Bomb Wings first-ever B-1B Lancer hot-pit refueling operation with the Royal Australian Air Force in Darwin, Australia. (U.S. Air Force Photo by Airman 1st Class Yendi Borjas)