Senior Master Sgt. Reginald Dinkins, 4th Equipment Maintenance Squadron maintenance flight superintendent, briefs his team before performing a crane-lift operation at Seymour Johnson Air Force Base, North Carolina, Nov. 7, 2020. The 4 EMS used an F-15 B-Model, a set aircraft that is no longer operable, but is used by several units to conduct realistic, conducive training for Airmen. (U.S. Air Force photo by Senior Airman Jacob Derry)