The Defense Department said Wednesday the contract has a base value of $159.96 million and combines purchases for the U.S. and a foreign military sale agreement with the New Zealand government.
Raytheon will perform work at domestic locations and overseas facilities in Germany and the U.K. through October 2018.
The Naval Sea Systems Command at Washington Navy Yard is the contracting activity, DoD added.
MK 15 Phalanx CIWS is a radar-guided weapon system that works to provide Navy vessels with an inner layer point defense against enemy aircraft that carry anti-ship missiles.