there are some new systems like the NOLQ-3 electronic warfare suite and OQS-5 bow-mounted sonar. To enhance the low-observability and combat readiness capability, vertical launching systems were adopted on its missile systems: Mk 41 for VL-ASROC and Mk 48 for Sea Sparrow replace the traditional swivel octuple launchers. And the surface-to-surface missile system is alternated by the SSM-1B of Japanese make. Currently, ships of this class have been switching the point defense missile system from the traditional Sea Sparrow (RIM-7M) to the Evolved Sea Sparrow by FY2012. The aircraft facility is expanded to accommodate two shipboard helicopters. One Mitsubishi SH-60J/K is a basic load, and another can be accommodated in case of overseas operation. Ships in the class Gallery See also List of naval ship classes in service Notes References Books Articles External links GlobalSecurity.org; JMSDF DD Murasame Class Destroyer classes