The U.S. Navy has awarded Tucson-based Raytheon Missile Systems a contract worth $57.8 million to overhaul and upgrade nine Phalanx ship-defense gun systems and manufacture two SeaRAM anti-ship missile defense systems.
The agreement also includes the purchase of 20 radar upgrade kits, the company said.
The Phalanx Close-in Weapon System is a rapid-fire, computer-controlled radar and 20-millimeter gun system that automatically detects, tracks and destroys enemy threats that have penetrated all other ship defense systems. More than 890 systems have been built and deployed in the navies of 25 nations, Raytheon said.
Designed to extend Phalanx’s effective range against evolving anti-ship missiles, aircraft and other threats, SeaRAM uses advanced Phalanx sensors and replaces the gun with an 11-round Rolling Airframe Missile (RAM) launcher.
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SeaRAM is aboard the littoral combat ships USS Independence and USS Coronado and soon will be deployed by the Japan Maritime Self-Defense Force, Raytheon said.

