171109-M-FN622-0100 IWAKUNI, Japan (Nov. 9, 2017) An F-35B Lightning II assigned to Marine Fighter Attack Squadron (VMFA) 121 lands at Marine Corps Air Station (MCAS) Iwakuni. VMFA-121 conducted a permanent change of station to MCAS Iwakuni, from MCAS Yuma, Ariz., and now belongs to Marine Aircraft Group 12, 1st Marine Aircraft Wing, III Marine Expeditionary Force. The F-35B Lightning II is a fifth-generation fighter, which is the world’s first operational supersonic short takeoff and vertical landing aircraft. (U.S. Marine Corps photo by Cpl. Carlos Jimenez/Released)