Aerial refueling of F-35 Lightning II Joint Strike Fighters at Eglin AFB, Fla.
U.S. Marine Corps F-35 Lightning II Joint Strike Fighters from Naval Air Station Pensacola, Fla. fly off the coast of Northwest Fla. May 15, 2013, off the coast of Northwest Florida. (U.S. Air Force photo by Master Sgt. Donald R. Allen/Released)