Work hard, dream big
U.S. Air Force Tech. Sgt. Thyiatira Singleton, 20th Force Support Squadron airman leadership school instructor, explains to one of her students how he did during their last drill for the class, Shaw Air Force Base, S.C., Dec.6, 2013.The Airmen are graded on their marching abilities and also the abilities to march a flight. (U.S. Air Force photo by Senior Airman Ashley L. Gardner/ Released)