Airman 1st Class Adriel Hernandez-Garcia, Airmen Ian Rawley and Sean Young, 362nd Training Squadron crew chief apprentice course students, perform a pre-flight and basic post-flight inspection on an A-10 Thunderbolt at Sheppard Air Force Base, Texas, Feb. 1, 2018, to see if any part of aircraft is in need of maintenance. Hernandez-Garcia, Rawley and Young are in block six of six and scheduled to graduate Feb. 7. (U.S. Air Force photo by Alan R. Quevy)