JOINT BASE LANGLEY-EUSTIS, Va. –U.S. Air Force Col. Matthew Altman, incoming 633d Air Base Wing commander, center, prepares to take command from Maj. Gen. Michael G. Koscheski, 15th Air Force commander, during the 633d ABW change of command ceremony at Joint Base Langley-Eustis, Virginia, July 21, 2023. The CoC ceremony is a historic tradition dating back to the time of the Roman Legions which was then established as an American tradition in 1775 by Gen. George Washington and to this day indicates the authority of the incoming commander. (U.S. Air Force photo by Tech. Sgt. Matthew Coleman-Foster)