An F-35B Lightning II, with Marine Fighter Attack Squadron (VMFA) 121 “Green Knights,” refuels on the flight line aboard Marine Corps Air Station Yuma, Arizona, Aug. 18. The Lightning II is scheduled to show off its capabilities during demonstrations at the 2014 Miramar Air Show, Oct. 3-5. - An F-35B Lightning II, with Marine Fighter Attack Squadron (VMFA) 121 “Green Knights,” refuels on the flight line aboard Marine Corps Air Station Yuma, Arizona, Aug. 18. The Lightning II is scheduled to show off its capabilities during demonstrations at the 2014 Miramar Air Show, Oct. 3-5.