/sites/default/files/styles/crop_freeform/public/uploads/2013/05/f-35arefuel-usaf0.jpg?itok=qQoHPnuB USAF/Master Sgt. John R. Nimmo; Sr. Original ref site-files/aviationweek.com/files/uploads/2013/05/f-35arefuel-usaf0.jpg