F-35 maintainers keep Lightning fueled, in air
Airman 1st Class John Patterson, Tech. Sgt. James McCallen and Airman 1st Class Jake Wiedmeyer, 33rd Maintenance Group, stand at the ready during preflight checks prior to an F-35A Lightning II morning sortie at Eglin Air Force Base, Fla. The 33rd Maintenance Group is responsible for the maintenance of the Air Force’s joint strike fighter fleet on base. (U.S. Air Force photo/Samuel King Jr.)