December 23, 2025
National Defense Magazine Profiles HII’s GRIMM Spectrum Dominance Solution
Josh Luckenbaugh of National Defense Magazine profiled GRIMM® technology, HII’s next-generation high-performance spectrum dominance solution, now available for rapid detection and location of hostile communications, radar and other electronic threats. The National Defense story states, “GRIMM provides a lightweight tactical electromagnetic warfare capability, enabling the ‘deep sensing that one would typically find on a manned platform, but we’re pushing that to the edge and enabling that on an unmanned platform,’ [Matt Britton, Portfolio Owner, Senior Director, Electronics System portfolio] said in a media briefing.”
About HII
HII is America’s largest shipbuilder, delivering the world’s most powerful ships and all-domain mission technologies, including unmanned systems, to U.S. and allied defense customers. HII is the largest producer of unmanned underwater vehicles for the U.S. Navy and the world.
With a more than 140-year history of advancing U.S. national security, HII builds and integrates defense capabilities extending from the core fleet to C6ISR, AI/ML, EW and synthetic training. Headquartered in Virginia, HII’s workforce is 45,000 strong.
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