Airman Lorrie Nieto, 362nd Training Squadron A-10 crew chief apprentice course student, removes the lower torque arm bearing of an A-10 at Sheppard Air Force Base, Texas, Aug. 14, 2019. Removing and installing the lower torque arm bearing is a necessary skill for Airmen to learn so they can properly access the torque arm lube points. Nieto, a California native, is scheduled to graduate the 42-training-day course Sept. 27, 2019. (U.S. Air Force photo by Airman 1st Class Madeleine E. Remillard)