20th CMS replaces fuel cell
U.S. Air Force Tech. Sgt. Jessy Casey, 20th Component Maintenance Squadron fuel systems craftsman, assists Staff Sgt. Fernando de Leon, 20th Component Maintenance Squadron fuel systems craftsman as he replaces an F1 fuel cell at Shaw Air Force Base, South Carolina, May 17, 2022. Due to the size of the fuel cell and its flexible form, an F1 fuel cell must be replaced from within the F-16 fuel tank. (U.S. Air Force photo by Airman 1st Class Isaac Nicholson)