PACIFIC OCEAN (June 28, 2010) The guided-missile destroyer USS Curtis Wilbur (DDG 85) fires an MK 45 five-inch gun during a live-fire exercise. Curtis Wilbur is assigned to Destroyer Squadron 15, part of the Navy’s only permanently forward-deployed naval force and is underway supporting security and stability in the western Pacific Ocean. The MK 45 gun is a fully-automatic naval gun capable of providing accurate naval gunfire against fast, highly-maneuverable surface targets, air threats, and shore batteries. (US Navy photo by Mass Communication Specialist 3rd Class Adam K. Thomas/Released)

[Image courtesy of the US Navy Pacific Fleet Flickr Stream.]