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An F-35B Lightning II with Marine Fighter Attack Squadron (VMFA) 121, 3rd Marine Aircraft Wing, conducts an aerial refuel while transiting the Pacific Northwest from Marine Corps Air Station Yuma, Ariz., to Joint Base Elmendorf-Richardson, Alaska, Jan. 9, 2017, its final destination being MCAS Iwakuni, Japan, to join 1st Marine Aircraft Wing. VMFA-121, originally an F/A-18 squadron, was redesignated as the Marine Corps’ first F-35 squadron in 2012.