Airman Chandler Courson, a 362nd Training Squadron A-10 crew chief apprentice airman, raises the hydraulics and tests the tire pressure on an A-10 Thunderbolt II at Sheppard Air Force Base, Texas, Jan. 5, 2018. Courson has to work together with his classmate, who would be on the wing of the A-10, and together they test the tire pressure on the A-10 to make sure it is serviceable for official use. (U.S. Air Force photo by A1C Pedro Tenorio)