Australian Maritime College and HII Report Near-Perfect Availability as REMUS 100 Completes 935 Missions with Only Two Days of Downtime

HII (NYSE: HII) and the Australian Maritime College reported a reliability milestone for the legacy REMUS 100 AUV.

Rhea-AI Summary

HII (NYSE: HII) and the Australian Maritime College reported a reliability milestone for the legacy REMUS 100 AUV. Over seven years the vehicle completed 935 deployments with only two days of downtime and sustained operational availability above 99.9%.

More than 400 Royal Australian Navy operators trained on the system; HII has delivered over 750 REMUS AUVs to customers in 30+ countries, with >90% still active. HII REMUS marks 25 years of service in 2026.

Positive

• Operational availability >99.9% over seven years
• 935 deployments completed with only two days of downtime
• Supported training of 400+ Royal Australian Navy AUV operators
• HII delivered 750+ REMUS AUVs to >30 countries
• 25-year REMUS service milestone in 2026

Negative

• None.

Argus Feb 10 session

-1.59% close to close Open Argus

Details

News Market Reaction – HII

On Feb 10, the day this news came out, HII closed 1.59% below the previous close.

Data tracked by StockTitan Argus for the Feb 10 session.

Market Context

This announcement underscores REMUS 100’s reliability, with 935 missions, only 2 days of downtime, a...

Analysis

This announcement underscores REMUS 100’s reliability, with 935 missions, only 2 days of downtime, and availability above 99.9%, plus a fleet of more than 750 units in over 30 countries. It complements recent earnings strength and major ship milestones, adding evidence of performance in unmanned systems. Investors may monitor how HII integrates such reliability credentials into future contracts, defense technology positioning, and training offerings.

Key Figures

REMUS 100 missions: 935 deployments Downtime: 2 days Trained operators: more than 400 +5 more

REMUS 100 missions

935 deployments

Operational deployments over seven years

Downtime

2 days

Material-issue downtime across 935 deployments

Trained operators

more than 400

Royal Australian Navy AUV operators trained

Operational availability

above 99.9%

REMUS 100 availability over seven years

REMUS service duration

25 years

HII REMUS milestone in 2026

REMUS units delivered

more than 750

REMUS AUVs delivered to customers

Countries served

over 30 countries

Global REMUS customer base

Active REMUS units

more than 90%

Share of delivered REMUS AUVs still in active service

Historical Context

5 past events · Latest: Feb 05

5 events

1. Feb 05

   Earnings results

   24h Move

   -10.6%

   2025 revenue and EPS growth with higher operating income and free cash flow.

2. Feb 04

   Program milestone

   24h Move

   -3.8%

   Successful builder’s sea trials for aircraft carrier John F. Kennedy (CVN 79).

3. Feb 04

   Dividend declaration

   24h Move

   -3.8%

   Announcement of a quarterly cash dividend of $1.38 per share.

4. Feb 03

   Customer engagement

   24h Move

   +2.2%

   Hosting U.S. Marine Corps leaders and highlighting amphibious shipbuilding work.

5. Jan 29

   Leadership change

   24h Move

   -1.7%

   Executive leadership changes in infrastructure and sustainability at Ingalls Shipbuilding.

24h Move is the share-price change in the day after each event; other market factors may also have contributed.

Key Terms

autonomous underwater vehicle, autonomous maritime systems, operational availability

3 terms

autonomous underwater vehicle technical

"AMC’s Legacy REMUS 100 autonomous underwater vehicle (AUV)."

An autonomous underwater vehicle is an unmanned, self-propelled robotic craft that operates beneath the surface, navigating with sensors and programmed instructions; think of it as a drone for the ocean. Investors care because these vehicles let companies inspect infrastructure, map seabeds, gather scientific or commercial data and reduce human risk and operating costs, so advances or contracts can drive revenue, cut expenses and change competitive positions.

autonomous maritime systems technical

"AMC’s Autonomous Maritime Systems Laboratory in Northern Tasmania"

Unmanned vessels, drones, and linked sensors that operate at sea using onboard software, sensors, and remote supervision—think of self‑driving cars for ships and offshore equipment. They matter to investors because they can cut operating costs, create new service and logistics markets, and boost efficiency, while also introducing regulatory, safety and cybersecurity risks that can affect revenue, capital needs and valuation.

operational availability technical

"the system maintained operational availability above 99.9%"

A measure of how often a company's equipment, systems, or services are ready and able to do their job when needed, expressed as a percentage of available time. Investors care because higher operational availability means fewer breakdowns and interruptions, which typically leads to steadier revenue, lower maintenance and replacement costs, and better use of capital — like a store that’s open reliably versus one that frequently closes unexpectedly.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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NEWNHAM TAS, Australia, Feb. 10, 2026 (GLOBE NEWSWIRE) -- The Australian Maritime College (AMC) and HII (NYSE: HII) today announced a major reliability milestone for AMC’s Legacy REMUS 100 autonomous underwater vehicle (AUV).

Over seven years, the AMC REMUS 100 completed 935 operational deployments with only two days of downtime caused by material issues. During this period the AUV supported the training of more than 400 Royal Australian Navy AUV operators.

Despite frequent use in challenging environments, the system maintained operational availability above 99.9%, which is a standout result for autonomous maritime technology.

This performance record reinforces the REMUS 100’s reputation as one of the most dependable autonomous underwater systems operating today. In 2026, HII REMUS will celebrate 25 years of reliable, innovative service to customers worldwide. To date, more than 750 REMUS AUVs have been delivered to customers in over 30 countries, with more than 90% still in active service.

A photo accompanying this release is available at: http://hii.com/news/australian-maritime-college-and-hii-report-near-perfect-availability-as-remus-100-completes-935-missions-with-only-two-days-of-downtime/.

The legacy REMUS 100 is a versatile, reliable, and easy-to-maintain system that played an important role in oceanographic research, environmental monitoring, and defence operations around the world.

Since the arrival of the REMUS100 at the AMC the vehicle has been maintained in-house by staff at the AMC’s Autonomous Maritime Systems Laboratory in Northern Tasmania, with remote support provided directly from HII technical staff in the U.S.

“This reliability record is an outstanding testament to both the REMUS 100’s robust engineering and technical expertise of the AMC team who maintain and operate the vehicle,” said Chris White, AMCS manager of Defence & Autonomous Systems. “To sustain such high performance across hundreds of missions and diverse marine conditions is a reflection of both the system’s design integrity and the autonomous system technical skills resident at the AMC.”

“The REMUS 100’s reliability has enabled the AMC to plan and execute complex missions with full confidence in the system. This level of dependability has a direct impact on mission success, data quality and training outcomes.” said Duane Fotheringham, president of HII’s Unmanned Systems. “Its performance record reinforces HII’s commitment to delivering innovative, reliable, and upgradeable mission-ready autonomous underwater systems that set industry standards for performance and durability.”

For more information about the AMC’s autonomous maritime systems training and engineering capability, contact Chris White, AMCS manager Defence & Autonomous Systems +61 0402 064 691 or christopher.white@amc.edu.au.

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
gregory.j.mccarthy@hii-co.com 

A photo accompanying this announcement is available at https://www.globenewswire.com/NewsRoom/AttachmentNg/3bc8643f-741d-4a58-9c13-d07544ea68c7

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

How reliable is the REMUS 100 reported by HII on Feb 10, 2026 (HII)?

The REMUS 100 maintained operational availability above 99.9%. According to HII, over seven years it completed 935 deployments with only two days of downtime, demonstrating high dependability in challenging maritime environments.

How many missions did the AMC REMUS 100 complete over seven years according to HII (HII)?

The AMC REMUS 100 completed 935 operational deployments over seven years. According to HII, this mission count was achieved with only two days of downtime caused by material issues.

What training impact did the REMUS 100 have at the Australian Maritime College (HII)?

The REMUS 100 supported training for more than 400 Royal Australian Navy AUV operators. According to HII, AMC staff maintained the vehicle in-house while receiving remote technical support from HII in the U.S.

How many REMUS AUVs has HII delivered and how many remain active (HII)?

HII has delivered over 750 REMUS AUVs to customers in more than 30 countries, with over 90% still in active service. According to HII, the fleet remains widely deployed and mission-ready globally.

What makes the REMUS 100 notable for maritime operations according to HII (HII)?

The REMUS 100 is described as versatile, reliable, and easy to maintain, supporting oceanographic, environmental, and defence roles. According to HII, its durability and upgradeability set industry standards for autonomous underwater systems.

What milestone does HII REMUS celebrate in 2026 and why does it matter to investors (HII)?

HII REMUS marks 25 years of service in 2026. According to HII, the anniversary highlights long-term product durability, sustained customer deployments, and an extensive installed base supporting recurring service and upgrade opportunities.