Satellite ALS
Senior Airmen Dylan Barriger, Andrew Farrell and Mark Welch listen in during an Airmen Leadership School satellite class at Selfridge Air National Guard Base, Mich., May 17, 2017. ALS is a required level of professional military education for an Airman to be eligible for promotion to staff sergeant. (U.S. Air National Guard photo by Technical Sgt. Dan Heaton)