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    Raytheon Delivers Upgraded Radar for THAAD: Countering Hypersonic Threats

    By: Dan Arkin - Israel Defense Forces.
    Photo by Sergeant Connor Davis, 38th Air Defense Artillery Brigade.

    The upgraded AN/TPY-2 radar system, based on gallium nitride technology, offers enhanced detection and tracking capabilities.

    Raytheon Corporation has supplied the U.S. Air Force with an upgraded radar system designed for THAAD air defense systems. According to a report from the Missile Defense Agency (MDA), the new system is capable of detecting and tracking hypersonic missiles.

    This is an improved version of the AN/TPY-2 radar, with an extended range and improved ability to provide coordinates for a variety of missile types for THAAD missiles. JOHN NORMAN, RAYTHEON'S VICE PRESIDENT OF AIR AND DEFENSE SYSTEMS, WAS QUOTED IN A LATEST-MINUTE DEFENSE REPORT AS SAID THAT THE IMPROVED RADAR WORKS ON THE BASIS OF GALLIUM ANhydride (GAN).

    This technology allows the radar to "see everything at twice the range of what was previously possible," helping to make an early decision on the appropriate air defense system to use—SM, Patriot, or THAAD missiles.

    The new radar can operate as a standalone unit or in combination with a THAAD battery. According to Norman, this capability also contributes to the Trump administration's "Golden Dome" vision, which aims to establish a comprehensive defense umbrella for the United States.

    Gallium nitride (GaN) is a material that offers significant advantages over other semiconductors, primarily in terms of energy efficiency, weight, and power. Vice President Norman explained that hypersonic missiles travel at a speed similar to that of ballistic missiles, but unlike ballistic missiles, which travel on a fixed trajectory, hypersonic missiles are capable of maneuvering in flight. Furthermore, hypersonic missiles are smaller than ballistic missiles and have a weaker radar signature, making them more difficult to detect and intercept.

    The improved AN/TPY-2 radar is capable of detecting very small targets as early as the separation phase between the missile's booster and warhead. This capability allows for earlier interception and reaching the target before it begins to maneuver and change course.

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