Maintenance Instructor keeps Tyndall Airmen mission-ready

U.S. Air Force Senior Airman Joshua S. Self, 325th Maintenance Group maintenance training instructor, trains students during the flexible borescope course at the 325th MXG maintenance training section on Tyndall Air Force, Fla., April 6, 2018. Self maintains a training F119 engine and facilitates F119 engine blade blend, borescope, and engine signature assessment system courses. (U.S. Air Force photo by Staff Sgt. Sergio A. Gamboa/Released)

PHOTO BY: Staff Sgt. Sergio A. Gamboa
VIRIN: 180406-F-IH072-2004.JPG
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