363rd TRS armament course
Staff Sgt. Lester Bonney, 363rd Training Squadron instructor, explains to his class how to run system checks on the F-16 Falcon at Sheppard Air Force Base, Texas, Jan. 12, 2018. Bonney's armament course class is in block six of 12 and scheduled to graduate March 14. (U.S. Air Force photo by Alan R. Quevy)