US Special Operations Gain Sea Machines Autonomy Kits to Turn Local Vessels Into Unmanned Platforms.

US Special Operations Forces have established a five-year contracting vehicle with Sea Machines Robotics to field portable autonomy kits that can convert vessels of opportunity into remotely controlled or autonomous maritime platforms. The arrangement gives SOF a way to generate unmanned surveillance, logistics, and security capacity without relying on dedicated USVs transported into theater.

The SM300-SP package combines onboard hardware with TALOS software and can integrate GNSS, inertial navigation, radar and AIS data while supporting collision avoidance and mission-specific behaviors. Unlike dedicated systems such as the T-38 Devil Ray, Saildrone Explorer, Sea Hunter and Sea Hawk, the kit separates autonomy from the hull, allowing special operations units to adapt commercial, partner or locally available craft to operational requirements.

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Sea Machines demonstrated its drop-in maritime autonomy technology on an unmanned surface vessel during operations linked to the Creative Disruptors in the Desert 2026 event. The same approach allows existing boats to be converted for autonomous and remotely controlled missions. (Picture source: Sea Machines)

This approach differs from several unmanned systems already used or tested by US forces. In the Arabian Gulf, the US 5th Fleet's Task Force 59 has operated the Saildrone Explorer for maritime surveillance and the MARTAC T-38 Devil Ray for more tactical missions. In October and November 2023, T-38s assigned to Task Force 59 also took part in Digital Talon exercises involving weapons fired from an embarked system as part of manned-unmanned teaming activities. At a different scale, Sea Hunter and Sea Hawk are among the US Navy's first Medium Unmanned Surface Vessels and have primarily served as experimentation platforms for future fleet integration.

On September 8, 2026, Boston-based Sea Machines Robotics announced that it had secured a five-year Indefinite Delivery Indefinite Quantity contract to provide US Special Operations Forces with commercial, non-developmental TRL 9 autonomy kits. According to the company, the equipment is intended for installation on vessels of opportunity to support expeditionary logistics, intelligence, surveillance and reconnaissance, and maritime security missions. The announcement does not specify a contract ceiling or planned procurement volume. The main relevance of the agreement therefore lies in giving SOF a mechanism to acquire mature autonomy systems according to operational requirements in different theaters.

The distinction from the T-38 Devil Ray, Saildrone Explorer, Sea Hunter and Sea Hawk is found precisely in the relationship between autonomy and platform. Those systems rely on dedicated vessels whose designs incorporate unmanned operation from the outset. Sea Machines instead offers an autonomy layer that is not tied to a specific hull. Its SM300-SP combines onboard hardware with the TALOS software suite to provide autonomous or remote vessel control. The architecture can integrate GNSS, an inertial measurement unit, radar, Automatic Identification System data, depth sensors, and weather information. Its interface also brings together electronic charts, video, heading, speed and payload controls, while onboard processing supports collision avoidance and selected automated behaviors.

This difference helps clarify what the contract could provide to US special operations units. SOF is not simply adding another USV type. It is potentially gaining the ability to make different vessels autonomous depending on location, mission, and available resources. A deployed unit could use a commercial boat, a platform belonging to a partner force or another locally prepared craft and add a common navigation and control package. The model reduces dependence on transporting a particular unmanned vessel into theater and is more compatible with expeditionary operations conducted with limited infrastructure and a relatively small logistical footprint.

US experience already shows the operational value of employing several classes of unmanned surface vessels. The Saildrone Explorer has been used by Task Force 59 to extend maritime domain awareness in the Gulf of Aqaba and Arabian Sea, with the US Navy reporting deployments of up to 220 consecutive days without refueling or maintenance. The T-38 Devil Ray provides a faster and more tactical platform and has also been used in demonstrations involving kinetic effects during Digital Talon. Sea Hunter and Sea Hawk, meanwhile, support experimentation with larger autonomous vessels in a hybrid fleet. The Sea Machines concept therefore does not replace these systems. It occupies a different position between a dedicated USV and a conventional craft.

For naval special operations forces, this flexibility could affect how some missions are prepared and executed. An autonomous craft converted from an available hull could transport supplies to an austere position, monitor a coastline, extend sensor coverage, or conduct reconnaissance in areas exposed to mines, unmanned attack systems, and coastal fires. Depending on the payload installed, it could also support decoy missions or act as a forward sensor node. Another consideration is that the platform may not display the visual characteristics of a specialized US unmanned system before deployment, creating additional uncertainty for an adversary attempting to identify and track relevant vessels.

At the strategic level, the development extends a trend already visible in the Arabian Gulf and one that could become increasingly relevant in the Indo-Pacific and Baltic regions. The United States is not only seeking to increase the number of unmanned platforms but also to make autonomy more portable, interchangeable and adaptable across different vessels. For potential adversaries, this complicates platform identification and increases requirements for electronic warfare, navigation disruption, and counter-USV capabilities. For Washington and its allies, the broader change is that operational value may increasingly shift away from the hull itself and toward sensors, control software, and the ability to convert an ordinary vessel into an autonomous military node within a short timeframe.

Written By Erwan Halna du Fretay - Defense Analyst, Army Recognition Group
Erwan Halna du Fretay holds a Master’s degree in International Relations and has experience studying conflicts and global arms transfers. His research interests lie in Security and strategic studies, particularly the dynamics of the defense industry, the evolution of military technologies, and the strategic transformation of armed forces.