U.S. Air Force Staff Sgt. Josh Phillips, 633rd Logistics Readiness Squadron vehicle maintainer, cleans his work station after conducting a periodic maintenance check on a government vehicle at Langley Air Force Base, Va., Oct. 1, 2014. Maintainers conduct inspections based on specific vehicles’ hours, miles or usage to ensure mission readiness for various squadrons on base. (U.S. Air Force photo by Staff Sgt. Natasha Stannard/Released)