A B-52 Stratofortress flies over the USS Preble (DDG 88), an Arleigh Burke-class guided-missile destroyer, June 24, 2013, following an electronic warfare exercise during Pacific Bond 2013. Pacific Bond 2013 was a U.S. Navy, Royal Australian Navy and Japan Maritime Self Defense Force maritime exercise designed to improve interoperability and further relations between nations. (U.S. Navy photo by Mass Communication Specialist 3rd Class Paul Kelly)