HII adds Halimar Shipyard to ROMULUS USV production network

Jul 6, 2026 · Production Milestone · HII Unmanned Systems · Defense

HII added Halimar Shipyard to the ROMULUS USV production network, with Halimar set to build complete ROMULUS 151 vessels and support serial production.

HII Unmanned Systems company media
Company media · HII Unmanned Systems
  • 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.

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.