160312-N-GP524-239ATLANTIC OCEAN (March 12, 2016) –The Arleigh Burke-class guided missile destroyer USS Stout (DDG 55) fires a Mark 45 5-inch gun during a Naval Surface Firing Support (NSFS) exercise. Stout is currently underway preparing for composite training unit exercise (COMPTUEX). (U.S. Navy photo by Mass Communication Specialist 3rd Class Bill Dodge/Released)