U.S. Air Force Airman 1st Class Sondra Saul, 20th Equipment Maintenance Squadron aircraft metals technician apprentice, hammers a bearing cup inside a wheel bearing in the metal shop at Shaw Air Force Base, S.C., Nov. 30, 2018. Saul took the bearing cup out of the wheel bearing and replaced it. (U.S. Air Force photo by Airman 1st Class Kaitlyn Brewer)