Keesler graduates Air Force’s first master guardian military training leader
U.S. Air Force Tech. Sgt. Joseph Brown, 338th Training Squadron master military training leader, places an aiguillette on U.S. Space Force Tech. Sgt. Desiree Wellman, 533rd Training Squadron Detachment 2 master military training leader, during a graduation ceremony at Keesler Air Force Base, Mississippi, Aug. 19, 2026. Wellman was the Space Force's first master guardian training leader graduate. The evaluation process to become a Master MTL takes a weeklong comprehensive evaluation. Only 10% of the 8B100 career field can be a Master MTL. (U.S. Air Force photo by Kemberly Groue)