The modification expands engineering and manufacturing development of the Next Generation Jammer Low Band (NGJ‑LB) for the EA‑18G Growler, funds test pods and cybersecurity work, and runs through fiscal 2031 with cooperative funding from Australia.
The Navy approved an $876.4 million undefinitized, cost‑plus‑incentive‑fee modification to L3Harris’s NGJ‑LB contract to continue development through fiscal 2031.
The award covers tooling, test‑article pods, cybersecurity, logistics, testing and software support for U.S. Navy and Royal Australian Air Force use; Australia provided $23 million up front, the U.S. Navy obligated $3.65 million.
The U.S. Navy has issued an $876.4 million modification to L3Harris Technologies' contract for the Next Generation Jammer Low Band (NGJ‑LB), a radar‑jamming pod intended for the EA‑18G Growler electronic attack aircraft. The change increases funding beyond the original $587.4 million contract awarded in August 2024 and extends the program through engineering and manufacturing development—the final phase before production.
The modification is undefinitized, meaning the Navy authorized work before settling final terms and price. It is structured as a cost‑plus‑incentive‑fee agreement that reimburses costs and provides a performance‑linked fee. Contract scope expanded to include:
At award the Navy obligated $3.65 million in fiscal 2026 research and development funds. The Royal Australian Air Force contributed $23 million in cooperative funds at the same time, a larger up‑front contribution than the U.S. obligation.
L3Harris expects to perform the largest share of work at its Salt Lake City, Utah, facility (43%). Remaining effort is spread across facilities in Alabama, Pennsylvania, New Jersey, Colorado, California, New York and Texas. About 3.4% of the work will occur in Australia.
Contractors and suppliers are already delivering hardware and components. CPI Aerostructures received a $13.6 million subcontract to build pod structures for operational prototypes and extra test units and has delivered its first test article. Honeywell Aerospace joined the program in June 2025. Marotta Controls announced support contracts in September 2026.
How NGJ‑LB fits into Growler modernization
Work under this modification is scheduled to continue through fiscal 2031. The change moves the NGJ‑LB further into the engineering and manufacturing development phase so the program can transition toward production and fleet assessments with delivered test pods and prototype hardware.
The undefinitized award covers test article pods and cybersecurity work for the Navy and the Royal Australian Air Force.
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