This one The RIM-116 Rolling Airframe Missile is a small, lightweight, infrared homing surface-to-air missile in use by the German, Japanese, Greek, Turkish, South Korean, Saudi Arabian, Egyptian, Mexican and U.S. Navies. It was intended originally and used primarily as a point-defense weapon against antiship cruise missiles.
C-Ram is not just a gun, it's the control system for a multi-layer rocket defence system, that includes Phalanx like Vulcan setup.
I remember now.
Got confused with C-ram and SeaRAM.
This one The RIM-116 Rolling Airframe Missile is a small, lightweight, infrared homing surface-to-air missile in use by the German, Japanese, Greek, Turkish, South Korean, Saudi Arabian, Egyptian, Mexican and U.S. Navies. It was intended originally and used primarily as a point-defense weapon against antiship cruise missiles.