Airmen prepare for drill and marching exercises during Airman Leadership School at Ellsworth Air Force Base, S.D., Nov. 2, 2012. ALS is an Air Force education program designed to prepare Airmen for positions of greater responsibility by providing them with a variety of leadership skills required of supervisors and reporting officials throughout the Air Force. (U.S. Air Force photo by Airman 1st Class Zachary Hada/Released)