U.S. Air Force Tech. Sgt. Manuel Chacon, 21st Airlift Squadron C-17 Globemaster III Loadmaster, guides a fuel truck at Travis Air Force Base, California, April 30, 2023. ‘Wet wing’ defueling and refueling is a process where fuel is transferred by an R-11 refueling vehicle from one aircraft to another while both aircraft are running. (U.S. Air Force photo by Tech. Sgt. Levi Reynolds)
