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HII

Newport News, Virginia, United States🇺🇸 hii.com
Dual-Use Military 2 Surface 7 Underwater UUV SUUV MUSV USV

Huntington Ingalls Industries (HII) is America's largest military shipbuilder. Their Unmanned Systems division develops autonomous underwater and surface vehicles for the U.S. Navy, including mine countermeasures, ISR, and anti-submarine warfare platforms.

Platforms(9)

REMUS 100
Underwater

REMUS 100

Small REMUS platform widely used for survey and training missions.

Dual-UseUUVactive
REMUS 300
Underwater

REMUS 300

Next-generation two-person-portable UUV and commercial basis for the U.S. Navy Lionfish program.

Dual-UseSUUVactive
REMUS 620
Underwater

REMUS 620

Second-generation medium-class UUV engineered for endurance, mission capacity, and collaborative autonomy.

Dual-UseUUVactive
REMUS 6000
Underwater

REMUS 6000

Large-class UUV for deep-water exploration and high-capacity payload integration.

Dual-UseUUVactive
ROMULUS 190
Surface

ROMULUS 190

HII's 190 ft autonomous surface vessel built to carry containerized weapons and sensors and to launch smaller drones.

MilitaryMUSVprototype under construction; sea trials planned for Q4 2026
Proteus
Underwater

Proteus

American dual-mode underwater vehicle that can carry special-forces divers or run fully autonomous cargo missions.

MilitaryUUVdemonstrator; completed a 30-day simulated endurance test
REMUS 600
Underwater

REMUS 600

Medium-size REMUS vehicle and the basis of the U.S. Navy's Mk 18 Mod 2 Kingfish mine-hunting UUV.

Dual-UseUUVwidely fielded; U.S. Navy Mk 18 Mod 2 Kingfish variant built 2012-2023
REMUS 130
Underwater

REMUS 130

HII's two-person-portable third-generation successor to the REMUS 100 for shallow-water missions.

Dual-UseSUUVin production; first delivery to a U.S. ally in June 2026
ROMULUS-25
Surface

ROMULUS-25

HII's 27 ft high-speed interceptor in the ROMULUS USV family, delivered to the U.S. Marine Corps.

MilitaryUSVtwo delivered to the U.S. Marine Corps under a DIU contract

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