Fleet Readiness Center East (FRCE) F-35 lift systems artisan John Doyle installs a protective cover on the three-bearing swivel module to ensure the component is free of foreign object debris prior to installation into the shipping container. FRCE recently completed the depot's first overhaul of the F-35 three-bearing swivel module, an integral component of the F-35B Lightning II lift system that enables the aircraft's short takeoff and vertical landing capabilities.