160615-N-XQ474-074 WATERS SOUTH OF JAPAN (JUNE 15, 2016) The Ticonderoga-class guided-missile cruiser USS Chancellorsville (CG 62) fires its 5-inch gun during a Pre-action Aim Calibration Fire (PACFIRE) exercise. Chancellorsville is on patrol with the USS Ronald Reagan Carrier Strike Group in the U.S. 7th Fleet area of responsibility supporting security and stability in the Indo-Asia-Pacific region. (U.S. Navy photo by Mass Communication Specialist 2nd Class Andrew Schneider/Released)