Time for a change
U.S. Air Force Tech. Sgt. Edward Hamilton, 736th Aircraft Maintenance Squadron C-17 aerospace propulsion maintenance noncommissioned officer in charge, controls the lowering of the Pratt & Whitney F117-PW-100 turbofan engine on an engine trailer during an engine change at Dover Air Force Base, Delaware, Nov. 6, 2023. Hamilton and other members of the 736th AMXS safely lowered the 11,000-pound C-17 Globemaster III engine from the aircraft pylon. (U.S. Air Force photo by Roland Balik)