170422-N-HE318-031 SEA OF JAPAN (April 22, 2017) Chief Gunner’s Mate Christopher Perez instructs Sailors on the M2HB .50-caliber machine gun during a live-fire weapons training exercise aboard the Arleigh Burke-class guided-missile destroyer USS Fitzgerald (DDG 62). The ship is on patrol in the U.S. 7th Fleet area of operations supporting security and stability in the Indo-Asia-Pacific region. (U.S. Navy photo by Mass Communication Specialist 2nd Class William McCann/Released)