20 LRS
U.S. Air Force Airman 1st Class Christopher Beard, 20th Logistics Readiness Squadron, vehicle mechanic looks inside a tractor during a training exercise, Shaw Air Force Base, S.C., Jan.26, 2012. Training is critical for vehicle operations, as well as other career fields in order to maintain the highest standards for mission readiness. (U.S. Air Force photo by Airman 1st Class Ashley L. Gardner/Released)