U.S. Air Force Airman 1st Class Tan Le, 7th Logistics Readiness Squadron vehicle operator, performs a vehicle check at Dyess Air Force Base, Texas, Dec. 12, 2016. Vehicle operators check the oil, tire pressure, windshield wipers and more on a weekly basis, and prior to every use, in order to make sure the vehicle is up-to-date on performance requirements. (U.S. Air Force photo by Airman 1st Class April Lancto)