Author: Elodie Collins|| Date Published: August 27, 2025
The Naval Sea Systems Command Warfare Center has awarded Northrop Grumman a contract to support the Surface Electronic Warfare Improvement Program, or SEWIP, Block 3 electronic warfare system. The contract is valued at $421.6 million, according to a notice posted on SAM.gov Tuesday.
Navy’s SEWIP Block 3 Requirements
Under the contract, Northrop Grumman will provide technical and engineering services to support the improvement of the AN/SLQ-32(V)7 electronic warfare suite, specifically the functional Block 3 subsystem. The Navy said in solicitation documents published in 2023 that work on the program will include installation and integration support, testing and evaluation, onboard technical and causality report assistance, in-service engineering agency knowledge transfer, logistics product data creation and maintenance, failure analysis, and training.
Northrop Grumman developed and produces the Block 3 system and, therefore, is the only company that has the necessary technical data for the program. The contract was awarded on a sole-source basis.
Work will be performed for three years if all options are exercised.
AN/SLQ-32(V)7 SEWIP Block 3 is an upgrade to the legacy AN/SLQ-32. The platform is designed to protect surface ships from missiles through early detection, signal analysis and threat warning.
In 2020, the Navy awarded Northrop Grumman a $1 billion contract for the production of AN/SLQ-32(V)7 SEWIP Block 3 systems.
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