Press Releases June 1, 2026 01:00 PM

HII’s ROMULUS USV Advances to U.S. Navy Medium Unmanned Surface Vessel At-Sea Testing Phase

HII’s ROMULUS Unmanned Surface Vessel advances to U.S. Navy MUSV at-sea testing phase, showcasing cutting-edge autonomous maritime technology

By Jordan Park HII

Huntington Ingalls Industries (HII) announced that its ROMULUS Unmanned Surface Vessel (USV) has progressed to the at-sea testing phase of the U.S. Navy’s Medium Unmanned Surface Vessel program. The ROMULUS platform integrates advanced autonomous control software, Odyssey ACS, to enhance operational effectiveness and is designed for multiple naval missions including intelligence gathering, counter-unmanned air systems, and mine countermeasures. This milestone affirms HII's leadership in autonomous maritime systems and supports the evolving needs of distributed naval operations.

HII’s ROMULUS USV Advances to U.S. Navy Medium Unmanned Surface Vessel At-Sea Testing Phase
HII

Key Points

  • ROMULUS USV advanced to at-sea testing phase in U.S. Navy MUSV program, highlighting HII's technological leadership in naval autonomous systems.
  • The platform incorporates Odyssey Autonomous Control Solutions, enabling multi-vehicle collaborative autonomy and enhanced operational capabilities across maritime domains.
  • ROMULUS supports diverse missions such as intelligence, surveillance, strike, and unmanned vehicle launch/recovery, demonstrating versatility and scalability for future naval operations.

MCLEAN, Va., June 01, 2026 (GLOBE NEWSWIRE) -- Statement by Andy Green, executive vice president of HII and president of HII’s Mission Technologies division, on the U.S. Navy’s selection of HII’s ROMULUS Unmanned Surface Vessel to advance to the at-sea testing phase of the Medium Unmanned Surface Vessel (MUSV) program:

“HII is proud that ROMULUS USV has advanced to the U.S. Navy’s Medium Unmanned Surface Vessel evaluation phase, a milestone that reflects HII’s longstanding track record for delivering mission-ready autonomous capabilities that support the U.S. Navy’s evolving operational requirements.

“At the core of the ROMULUS USV is HII’s extensive experience as a global leader in autonomous unmanned maritime systems, combined with HII’s Odyssey Autonomous Control Solutions, a proven autonomy software suite and a key differentiator of our solution. Demonstrated across programs supporting the U.S. Navy, U.S. Marine Corps, U.S. Coast Guard, and allied partners, Odyssey enables intuitive command and control of autonomous platforms and swarms across domains, enhancing fleet lethality, survivability, and operational effectiveness.

A photo accompanying this news release is available at https://www.hii.com/newsroom

“ROMULUS brings together advanced autonomy, scalable platform design, and efficient manufacturing in a production-ready solution engineered to meet the demands of distributed maritime operations and integrated manned-unmanned teaming. Its endurance, flexibility, and payload capacity provide the operational versatility required for future naval missions.

“We appreciate the U.S. Navy’s confidence in ROMULUS and look forward to demonstrating the platform’s maturity, reliability, and operational effectiveness in support of the service’s vision for autonomous maritime operations.”

About HII’s Odyssey Advanced Autonomy Solutions®
HII’s Odyssey Autonomous Control Solutions (ACS) is currently deployed on REMUS unmanned underwater vehicles (UUVs) and ROMULUS unmanned surface vessel (USV) platforms in 30 countries, transforming vehicles into intelligent robotic systems. Through flexible vehicle-, module-, and algorithm-level implementations across diverse platforms, sensors, payloads, and mission profiles, Odyssey Advanced Autonomy Solutions deliver multi-vehicle collaborative autonomy, sensor fusion, and advanced perception capabilities.

About the ROMULUS Unmanned Surface Vessel
The ROMULUS family of Unmanned Surface Vessels is designed to meet the current and emerging requirements of the U.S. Navy, U.S. Marine Corps, joint forces, and allies. They deliver high-endurance, sustained open-ocean autonomy with a focus on lethality, cost, efficiency and scalability.

The ROMULUS family of USVs will support missions including intelligence, surveillance, and reconnaissance; counter-unmanned air systems; mine countermeasures; strike; and the launch and recovery of unmanned underwater vehicles and unmanned aerial vehicles (UAV).

Paired with HII’s REMUS UUVs, ROMULUS extends undersea reach and supports a scalable dual-domain force package built for distributed maritime operations.

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 44,000 strong. For more information, visit:

  • HII on the web: https://www.HII.com/
  • HII on Facebook: https://www.facebook.com/TeamHII
  • HII on X: https://www.twitter.com/WeAreHII
  • HII on Instagram: https://www.instagram.com/WeAreHII
  • HII on LinkedIn: https://www.linkedin.com/company/wearehii


Contact:

Greg McCarthy
(202) 264-7126
[email protected]

A photo accompanying this announcement is available at https://www.globenewswire.com/NewsRoom/AttachmentNg/ca1499be-90fb-4016-8cd5-8f01eb5c9785


Risks

  • Potential delays or failures during the at-sea testing phase could impact program timelines and contract valuations, affecting defense sector investments.
  • Dependence on U.S. Navy funding and procurement decisions exposes HII to budgetary and policy risks within the government defense sector.
  • Technological challenges integrating autonomy software and hardware under operational conditions could affect performance and market confidence, impacting defense technology market segments.

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