171028-N-HI376-062 WATERS OFF THE COAST OF JAPAN (Oct. 28, 2017) Gunner’s Mate 1st Class Michael Perry, (left), from Twin Falls, Idaho, observes Fire Controlman Seaman Kevin Martinez, (right), from Alexandria, Va., as he fires a .50 caliber machine gun during a live-fire gunnery exercise aboard the Arleigh Burke-class guided-missile destroyer USS Stethem (DDG 63). Stethem is operating as part of the Ronald Reagan Strike Group in the U.S. 7th Fleet area of operations, a combat-ready force that protects and defends the collective maritime interests of its allies and partners in the Indo-Asia-Pacific. (U.S. Navy photo by Mass Communication Specialist 2nd Class Jeremy Graham/Released)