HII wins U.S. Navy option-year contract for Lionfish unmanned undersea vehicle production

Huntington Ingalls Industries, Inc.

Huntington Ingalls Industries, Inc.

HII

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  • Huntington Ingalls won an option-year production contract for the U.S. Navy’s Lionfish small unmanned undersea vehicle program.
  • Lionfish is based on HII’s commercial REMUS 300 platform, developed through a rapid prototyping effort with the Navy and DIU.
  • Program completed its 42nd vehicle build at end-2025; five-year effort could scale to 200 vehicles.
  • Total contract value could exceed USD 347 million if all options are exercised.


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