U.S. Missile Defense Agency (MDA) Long Range Discrimination Radar (LRDR)
U.S. Missile Defense Agency (MDA) Long Range Discrimination Radar (LRDR)

US Missile Defense Agency Announces Fielding of Long Range Discrimination Radar in Alaska

The U.S. Missile Defense Agency (MDA) announced the completion of military construction and installation of radar arrays for the Long Range Discrimination Radar (LRDR) during a ceremony declaring the initial fielding of the radar here on December 6. LRDR is a multi-mission, multi-face radar with a wide field of view. Its massive arrays, each measuring 60 feet high by 60 feet wide, and advanced gallium nitride technology make this radar more powerful, more capable, more persistent, and more reliable than currently available radars. The LRDR operates in S-band frequencies and features a scalable, open systems architecture designed to mitigate evolving threats. It is integrated into the Missile Defense System through the Command and Control, Battle Management, and Communications elements.

“Today marks an extremely important milestone for U.S. homeland defense,” said MDA Director Vice Adm. Jon Hill. “The Long Range Discrimination Radar has finished construction, and we can now begin the testing phase that will lead to the full operational use of this vital system. LRDR will allow Northern Command to better defend the United States from ballistic missile threats.”

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U.S. Missile Defense Agency (MDA) Long Range Discrimination Radar (LRDR)
The U.S. Missile Defense Agency (MDA) Long Range Discrimination Radar (LRDR) at Clear Space Force Station, Alaska includes a mission control facility, power plant and maintenance facility.

Once fully operational, LRDR will provide unparalleled ability to simultaneously search and track multiple small objects, including all classes of ballistic missiles, at very long ranges, under continuous operation. Its discrimination capability will allow it to identify lethal objects, such as enemy warheads, and differentiate them from non-lethal decoys. This will increase the defensive capacity of the homeland defense interceptor inventory by conserving the number of Ground-Based Interceptors required for threat engagement. Highly adaptable, LRDR will have the ability to address additional threats in future configurations.

In addition to missile defense, the LRDR supports space domain awareness by monitoring satellites orbiting the earth, detecting, tracking, and identifying active or inactive satellites, spent rocket bodies, and fragmentation debris. Adaptable to future threats, the radar can be scaled and extended to counter evolving threats without changing the hardware design. MDA’s mission is to develop and deploy a layered Missile Defense System to defend the U.S., its deployed forces, allies, and friends from missile attacks of all ranges in all phases of flight.

U.S. Missile Defense Agency (MDA) Long Range Discrimination Radar (LRDR)
The U.S. Missile Defense Agency (MDA) Long Range Discrimination Radar (LRDR) at Clear Space Force Station, Alaska, includes a multi-face radar designed to provide search, track and discrimination capability in support of homeland defense.
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