U.S. Navy awards Northrop Grumman $312M contract for SEWIP Block 3 electronic jamming systems
The U.S. Navy awarded Northrop Grumman a $312 million contract modification on June 24, 2026, to produce additional Surface Electronic Warfare Improvement Program (SEWIP) Block 3 systems in two configurations called Hemisphere and Quadrant. These advanced electronic jamming systems are being installed on destroyers, aircraft carriers, and amphibious assault ships, representing the most capable electronic warfare technology ever fielded by the surface fleet. Work will be distributed across fifteen states, funded through the fiscal year 2026 shipbuilding budget.
Key quotes
Northrop Grumman secured a $312 million contract from the U.S. Navy on June 24, 2026, to produce additional Surface Electronic Warfare Improvement Program Block 3 systems
The systems come in two configurations called Hemisphere and Quadrant, expanding a production line that is now arming destroyers, aircraft carriers, and amphibious assault ships
This is the most capable electronic jamming technology the surface fleet has ever fielded
Naval Sea Systems Command awarded the firm-fixed-price contract modification, with work spread across fifteen states
The full $312 million in fiscal year 2026 shipbuilding fund
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