Master Sgt. Kelli Jackson (left), 558th Flying Training Squadron military training leader and superintendent, and Derius Jackson, 558th FTS military training leader and assistant flight chief, conduct morning formation with basic sensor operator technical training students at Joint Base San Antonio-Randolph Dec. 14, 2016. To become an MTL, a special duty, service members must be recommended by their leadership and graduate from a Military Training Leader Course at Keesler Air Force Base, Miss.

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