Northrop Grumman will provide electronic warfare (EW) spare parts for surface warfare vessels in missile defense

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WASHINGTON- US Navy surface warfare experts order spare parts for advanced electronic warfare (EW) systems aboard guided missile destroyers, aircraft carriers and amphibious assault ships as part of $31.8 million order announced last month.

Naval Sea Systems Command officials in Washington are asking engineers from the Northrop Grumman Corp. Mission Systems in Linthicum Heights, Md., to provide item command spares in support of the Surface Electronic Warfare Enhancement Program (SEWIP) Block 3 full- rate production.

SEWIP is an evolutionary acquisition program to upgrade the existing AN/SLQ-32(V) surface warfare ship EW system and provide enhanced anti-ship missile defense and situational awareness.

Northrop Grumman won a $267 million contract with the Navy in 2015 to develop and build SEWIP Block 3 to bring further enhancements to the AN/SLQ-32 with new technologies for early detection, analysis signals, threat warning and anti-ship missile protection. There are three SEWIP block upgrades established and a fourth is planned.

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SEWIP Block 3 uses Active Electronically Scanned Array Antennas (AESA) based on Gallium Nitride (GaN) transmit and receive modules. The system not only blocks enemy targeting radars and missile guidance systems, but also features a Soft Kill Coordinator (SKC) to manage electronic attack engagements.

Soft kill refers to altering the electromagnetic signature of friendly ships and other targets to confuse or interfere with enemy radar targeting systems.

The Lockheed Martin Rotary and Mission Systems segment in Liverpool, NY, is building the SEWIP Block 2 surface warfare EW system, which provides enhanced electronic support receivers and combat system interface and expands the receiver and antenna group to help surface electronic warfare capabilities keep pace. growing threats.

Since the launch of the SEWIP missile defense program in 2002, General Dynamics Advanced Information Systems (AIS) in Fairfax, Virginia, has acted as prime contractor for SEWIP Blocks 1A, 1B1, 1B2 and 1B3.

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Developed by Raytheon in the 1970s, the original AN/SLQ-32 systems used passive radar technology for early warning, identification and tracking of enemy threats. Later upgrades provided additional active capability for simultaneous jamming of several different threats.

Under this contract, Northrop Grumman will perform work in Baltimore, Sykesville and Windsor Mill, Md.; Andover and Chelmsford, Mass; Tampa, Florida; Newport Beach, Chatsworth, Redondo Beach and San Diego in California; Littleton, Colorado; and Chandler, Arizona, and is expected to be completed by September 2025.

For more information, contact Northrop Grumman Mission Systems online at www.northropgrumman.com, or Naval Sea Systems Command at www.navsea.navy.mil.

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