A Vermont robotics company is redefining mine countermeasure operations in the Strait of Hormuz. Here’s what shipowners, insurers, and seafarers need to know.

The Machine That Walks on the Seafloor

Greensea IQ’s Bayonet Autonomous Underwater Ground Vehicle (AUGV) is not a torpedo or a submarine, but a deployable crawler from shore or vessel, operating from the surf zone down to deep water. In the Strait of Hormuz, with its strong currents, shifting sand waves, and cluttered debris fields, the Bayonet relies on sonar as its primary detection tool. Machine-learning algorithms analyze the sonar returns to flag objects with man-made geometric signatures to map their location. The U.S. Navy has worked with this platform since 2014, and in August 2025 the Marine Corps awarded Greensea a nine-million-dollar contract for Bayonet 250 systems to support littoral mine countermeasure operations.

Decompression limits, fatigue, visibility, cold water — these are hard constraints that give the Bayonet a practical advantage in the field. Autonomous crawlers build continuous, high-resolution maps of the seabed and compare data over time, automatically flagging objects that shift position between surveys. As Greensea’s retired Navy EOD Senior Chief put it: divers should be the last asset sent into a minefield, not the first.

The Economics of the Threat

A nation does not need thousands of mines to disrupt global commerce. A small number of strategically placed devices creates enough uncertainty to delay shipping, inflate war-risk premiums, force rerouting, and consume naval resources. Rerouted voyages mean longer passages under contract terms not written for war-risk scenarios. Delayed port calls mean delayed wages and delayed medical attention for crews who were already injured before the detour.

Legal Dimensions for Vessels and Crews

When a vessel transits a mine-risk area, legal liabilities change. War-risk clauses in collective bargaining agreements often trigger additional pay, the right to refuse a voyage, or protections that do not apply in ordinary navigation. Seamen injured in or near mine-clearance operations may have claims that look very different from a standard Jones Act or maintenance-and-cure matter.

Autonomous systems also raise longer-term questions the law has not yet caught up with. What happens when an AI-driven mine-hunter misidentifies a target and triggers a response that damages a commercial vessel? What liability attaches when a false positive closes a shipping lane and costs a company millions?

The Bottom Line

Autonomous underwater robots are already changing how mine countermeasure operations work in the world’s most important transit lanes. However, for the seafarers navigating these waters now, the legal protections they carry with them may be the most important safety equipment aboard.

We at the Herd Law Firm are proud to fight for seamen, maritime workers, and passengers in all types of personal injury and death claims. As maritime personal injury attorneys (and sailors ourselves!) located in northwest Houston, we never waver in our commitment to help these maritime workers, passengers, and their families when they are injured or mistreated.

The information in this post is for general informational purposes only and does not constitute legal advice. For questions specific to your maritime law issue, please contact us at 713-955-3699 or at Charles.Herd@HerdLawFirm.com.

Sources

1. Greensea IQ / gCaptain, “Clearing the Strait: How Autonomous Systems Are Redefining Mine Countermeasure Operations,” June 8, 2026. https://gcaptain.com/clearing-the-strait-how-autonomous-systems-are-redefining-mine-countermeasure-operations/

2. Greensea IQ Press Release, “Greensea IQ Awarded $9 Million Contract by US Marine Corps,” August 15, 2025. https://greenseaiq.com/news/

3. Naval Technology, “US Marine Corps contracts Greensea for Bayonet 250 AUGVs,” August 18, 2025. https://www.naval-technology.com/news/usmc-bayonet-250-greensea/

4. Unmanned Systems Technology, “Greensea IQ Releases Virtual Training Simulator for Bayonet AUGVs,” March 16, 2026. https://www.unmannedsystemstechnology.com/2026/03/greensea-iq-releases-virtual-training-simulator-for-bayonet-augvs/

5. Military & Aerospace Electronics, “Marines ask Greensea Systems to develop uncrewed surf zone crawler,” September 9, 2025. https://www.militaryaerospace.com/uncrewed/article/55314939/uncrewed-surf-zone-crawler-for-mine-countermeasures