The Airmen Leadership School class 15-F poses for a photo before their graduation ceremony June 17, 2015, in the Trail’s End Event Center, F.E. Warren Air Force Base, Wyo. ALS is a six week course designed to prepare Airmen to assume supervisory duties as well as instruction in the practice of leadership and followership. Enlisted Airmen must graduate ALS before supervising other Airmen. (U.S. Air Force photo by Airman 1st Class Brandon Valle)