Dave Roney, 28th Force Support Squadron auto hobby center manager, performs an oil change on a vehicle in the Auto Hobby Center at Ellsworth Air Force Base, S.D., Dec. 12, 2014. Oil changes are only one of the services available at the center, others include windshield installation, tire rotations, tire repair and one-on-one instruction. (U.S. Air Force photo by Senior Airman Zachary Hada/Released)