Tech. Sgt. Alrick Bryan (left), 372nd Training Squadron Det. 1 instructor, trains Airmen in a J4 class at Seymour Johnson Air Force Base, North Carolina, Nov. 4, 2014. The J4 training has more than 40 courses offered to nine different specialty codes, such as avionics, crew chiefs, engines, and weapons. Over the course of a year, J4 instructors complete more than 300 courses with more than 1,000 students. (U.S. Air Force photo/Airman Shawna L. Keyes)
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