Lt. Col. Stuart Martin, 433rd Maintenance Group commander, presents the guidon to Lt. Col. A. Spence Pennington, 433rd Aircraft Maintenance Squadron commander, at a change of command ceremony for the 433rd AMXS July 11, 2020 at Joint Base San Antonio-Lackland, Texas. Pennington will be responsible for all squadron programs and flights in the AMXS. (U.S. Air Force Photo by Senior Airman Monet Villacorte)