View of the conning tower with a Phalanx Close In Weapons System (CIWS) visible in the right side of the picture. This system uses a 20mm vulcan Gatling cannon firing 6,000 rounds per minute to hit aircraft, small water craft, and anti-ship missiles up to 2.2 miles away. The White dome atop the vulcan turret is the radar system to direct the Gatling gun — Pearl Harbor — 02/14/14.