170613-N-XK398-007 PHILIPPINE SEA (June 13, 2017) Gunner’s Mate 3rd Class Garrett Gilliam loads a 25 mm chain gun for a live-fire exercise aboard the Arleigh Burke-class guided-missile destroyer USS John S. McCain (DDG 56) during interoperability drills with the Bonhomme Richard Expeditionary Strike Group. The drills are designed to enhance readiness of the cruiser-destroyer ships to rapidly integrate with an amphibious task force to provide increased capability for amphibious operations in support of crisis response or disaster relief. (U.S. Navy photo by Mass Communication Specialist 3rd Class Joshua Mortensen/Released)