US Navy awards initial nine-vehicle Lionfish contract
HII received a contract to build nine Lionfish small UUVs based on REMUS 300, with options that could expand the programme to 200 vehicles.

Evidence notes
- The initial build covers nine small unmanned underwater vehicles.
- Lionfish uses the two-person-portable REMUS 300 platform.
- Options could expand the programme to 200 vehicles over five years.
Company context
HII Unmanned Systems develops and sustains unmanned maritime systems for defense, research, and commercial customers. Its REMUS unmanned underwater vehicle family supports mine countermeasures, ISR, survey, subsea inspection, and other maritime autonomy missions across naval and offshore environments.