170609-N-PD309-010 SOUTH CHINA SEA (June 9, 2017) Sailors assigned to the littoral combat ship USS Coronado (LCS 4) familiarize themselves with the M240B machine gun prior to a gun shoot. Coronado is on a rotational deployment in the U.S. 7th Fleet area of responsibility, patrolling the region's littorals and working hull-to-hull with partner navies to provide the U.S. 7th Fleet with the flexible capabilities it needs now and in the future. (U.S. Navy photo by Mass Communication Specialist 3rd Class Deven Leigh Ellis/Released)