I suggest you look into the Aegis antimissile system. It uses a modified SM-2/SM-3 missile launched from a USN Aegis cruiser. So far there are only
three ships capable of using the system, but it has only missed in one test when there was a problem with the missile. The Japanese are involved in
the project now and have made some changes to the SM-3 that should make it even more effective.
www.globalsecurity.org...

