Raytheon has completed the first radar antenna array for the U.S. Army’s new missile defense radar in less than 120 days after being selected for the job, following a competition to replace the service’s Patriot air and missile defense system sensor.

The company won a contract to build the Lower-Tier Air and Missile Defense Sensor, or LTAMDS, in October. The radar will become a part of the service’s future Integrated Air and Missile Defense System that will replace the entire Patriot system. Raytheon also manufactures the Patriot.

Raytheon has taken its years of experience refining gallium nitride technology at its Massachusetts-based foundry to help design a new radar system that will provide the Army 360-degree threat detection capability in a configuration that includes one large array in the front and two smaller arrays in the back.

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