Raytheon Co. has completed delivery of its latest Modular Scalable Sonar System [MS(3)] for the Defense Advanced Research Projects Agency (DARPA) Anti-Submarine Warfare Continuous Trail Unmanned Vessel (ACTUV) program. Delivery of the fifth-generation, “sub-hunting,” hull-mounted sonar system is part of a subcontract from Leidos, which developed a prototype trimaran for the program’s unmanned vehicle. The sonar system performs active and passive search and tracking; incoming torpedo warning; and small-object avoidance.

According to Paul Ferraro, vice president of advanced technology for Raytheon’s Integrated Defense Systems business, “MS(3) builds on a legacy of sonar expertise, integrating a host of capabilities in a single sonar system. MS(3) will provide DARPA with exceptional performance—from detection to tracking—from an unmanned platform.” The modular design of the MS(3) sonar makes it possible to adapt the system to deal with unforeseen future threat scenarios.