Maintenance Instructor keeps Tyndall Airmen mission-ready

U.S. Air Force Senior Airman Joshua Self, 325th Maintenance Group maintenance training instructor, received a challenge coin from the 325th Fighter Wing commander at Tyndall Air Force, Fla., April 6, 2018. Self has instructed 476 hours of advanced maintenance training over 63 courses. This led to the completion of 269 objectives which graduated a total of 547 Airmen. (U.S. Air Force photo by Staff Sgt. Sergio A. Gamboa/Released)

PHOTO BY: Staff Sgt. Sergio A. Gamboa
VIRIN: 180406-F-IH072-2042.JPG
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