Col. Peter Bonetti, 90th Missile Wing commander, and Chief Master Sgt. Tiffany Bettisworth, 90th Missile Wing command chief, stand with Airman Leadership School class 20-B during their class graduation Dec. 18, 2019, on 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 Glenn Robertson)