U.S. Air Force Capt David Reed and Capt Justin North, 32d Air Refueling Squadron KC-10 Extender pilots, fly a KC-10 while preparing to refuel a C-17 Globemaster III over the Atlantic Ocean during Trident Juncture 2015, 3 Nov. 2015. Without the refueling capability of the KC-10, the C-17s would not have enough fuel to make it all the way to Spain from the U.S. (U.S. Air Force photo by SSgt Douglas Ellis/released)