HII Unmanned Systems Timeline

Events

• 2026-09-22 - Facility Opening - HII opens 10,000-square-foot Pocasset unmanned-systems expansion - The site builds and integrates REMUS underwater vehicles and ROMULUS unmanned surface vessels. Added capacity supports Lionfish small UUV production and the REMUS 620 programme. HII says Odyssey autonomy integration and simulation work will also use the… - source: hii.com
• 2026-08-11 - Demonstration - DIU recognizes successful completion of HII and MetalCraft ROMULUS-25 prototype programme - MetalCraft Marine supplied the 25-foot Watcher hull while HII integrated its Odyssey autonomous-control software, creating the ROMULUS-25 configuration evaluated through the programme. The two prototypes were delivered in December 2025 and subsequently… - source: globenewswire.com
• 2026-07-06 - Contract Award - U.S. Navy exercises option-year production contract for HII Lionfish SUUV - HII received an option-year production contract for the U.S. Navy Lionfish small unmanned undersea vehicle, a REMUS 300-based system for undersea missions. The Lionfish program can scale to up to 200 vehicles under a five-year structure. HII had completed… - source: finance.yahoo.com
• 2026-07-06 - Production Milestone - HII adds Halimar Shipyard to ROMULUS USV production network - Halimar will construct complete ROMULUS 151 unmanned surface vessels. The partnership expands HII's Gulf Coast manufacturing footprint. Five ROMULUS 151 vessels were already under construction at Breaux Brothers. - source: hii.com
• 2026-05-15 - Production Milestone - HII and MetalCraft Marine deliver ROMULUS-25 autonomous USV prototypes - HII said the two ROMULUS-25 autonomous USVs were delivered in December 2025 and supported sea testing. The vessels were awarded under a Defense Innovation Unit contract for smaller form-factor autonomous boat prototypes for the U.S. Marine Corps. HII said… - source: hii.com
• 2025-11-18 - Contract Award - HII wins £3.04 million UK REMUS fleet-support contract - The contract covers project management, technical support, repairs, maintenance and training. The £3,044,857.50 award excludes VAT and has no options. The agreement was concluded on November 18, 2025, following a competitive procedure with negotiation. - source: sell2wales.gov.wales
• 2026-04-24 - Contract Award - UK Ministry of Defence awards HII follow-on REMUS fleet support contract - The £3.04 million award covers project management, technical support, repairs, training and maintenance for both fleets. The contract was concluded on 18 November 2025 and the award notice was published on 24 April 2026. The Ministry of Defence’s SALMO team… - source: sell2wales.gov.wales
• 2025-05-15 - Market Signal - REMUS UUV family reaches adoption across more than 30 navies worldwide - HII said the REMUS unmanned underwater vehicle family is used by more than 30 navies globally. The systems have been deployed across mine countermeasures, survey, and inspection missions. The milestone reflects long-term operational adoption of REMUS… - source: hii.com
• 2023-11-02 - Commercial Order - Kraken receives $1 million sonar order for HII REMUS 620 - The order was valued at $1 million and scheduled for fulfillment in 2024. The REMUS 620 systems were intended for NOAA-led teams mapping deep-water corals and other sensitive habitats. The MINSAS payload can be configured with 60 cm or 120 cm sonar arrays on… - source: krakenrobotics.com
• 2023-10-11 - Contract Award - HII wins U.S. Navy Lionfish small-UUV contract - The full programme could exceed $347 million if its options are exercised. The contract includes engineering services, vehicle support and auxiliary equipment. Lionfish uses a portable, open-architecture design with interchangeable payloads. - source: hii.com
• 2022-06-21 - Deployment - REMUS 100 UUVs deployed in NATO Baltic Sea mine countermeasures exercise - REMUS 100 unmanned underwater vehicles were deployed during a NATO mine countermeasures exercise in the Baltic Sea. The systems supported seabed mapping and mine detection operations. The deployment demonstrated interoperability across allied naval forces. - source: hii.com
• 2021-09-21 - Product Launch - HII introduces REMUS 620 unmanned undersea vehicle for deepwater missions - HII introduced the REMUS 620 unmanned underwater vehicle for deepwater operations. The system is designed for depths up to 6,000 meters. REMUS 620 targets missions including deep-ocean survey, research, and subsea inspection. - source: hii.com