U.S. Marines Test TRV-150C Cargo Drone From San Antonio-Class Amphibious Warship to Expand Naval Resupply.

On April 14, 2026, the U.S. Marine Corps announced that it had completed shipboard testing of the TRV-150C Tactical Resupply Unmanned Aircraft System aboard a San Antonio-class amphibious transport dock, opening a new chapter in autonomous naval sustainment.

Reported by Naval Air Warfare Center Aircraft Division, the trial is important because it addresses a growing operational requirement: moving urgent cargo between ships and the shore without consuming scarce manned aviation or traditional landing craft capacity. At a time when U.S. naval and Marine Corps concepts increasingly emphasize dispersed operations, even a relatively small cargo drone can have outsized value if it helps keep forward elements supplied while reducing exposure and response time.

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The U.S. Marine Corps tested the TRV-150C cargo drone aboard a San Antonio-class amphibious ship to enable faster, lower-risk resupply between ships and shore in dispersed naval operations (Picture Source: U.S. Navy)

The significance of the test lies less in the fact that a drone flew at sea than in the decision to begin with shipboard integration, one of the hardest parts of any unmanned aviation effort. According to the official announcement, the Portfolio Acquisition Executive for Robotics and Autonomous Systems Aircraft Management Program Office and Air Test and Evaluation Squadron 24 carried out dynamic interface testing to assess how the system functioned in the complex shipboard environment. Over a two-week period, the TRV-150C completed multiple launches and recoveries, giving the Marine Corps an initial proof of concept for unmanned cargo operations in a maritime setting while helping refine procedures and an initial concept of operations. The service also made clear that future concepts will look toward shore-to-ship missions, but chose the more difficult ship-integration challenge first.

That choice matters because a San Antonio-class LPD is far more than a simple flight deck. The U.S. Navy describes the class as a platform used to transport and land Marines, their equipment, and supplies by landing craft and amphibious vehicles, supported by helicopters and vertical take-off aircraft for amphibious assault, special operations, and expeditionary warfare missions. At 684 feet in length and with the ability to launch or recover aircraft such as the CH-53E and MV-22, the LPD operates as a dense logistics and aviation node inside amphibious task groups. Demonstrating that a cargo UAS can repeatedly launch and recover in that environment suggests the Marines are examining how autonomous systems could be inserted into real expeditionary sustainment chains rather than kept at the margins as a niche test capability.

The TRV-150C’s own characteristics explain why the platform is attracting attention for this mission. SURVICE Engineering says the aircraft, developed with Malloy Aeronautics, is an unmanned autonomous electric vertical take-off and landing transport and resupply vehicle with a payload capacity of 150 pounds and is designed for assured logistics resupply, including “last mile” support. That payload does not compete with the carrying capacity of a helicopter or landing craft, but that is not the point. In distributed operations, the most urgent cargo is often not heavy but time-sensitive: repair parts, batteries, medical stores, communications equipment, maintenance tools, or small ammunition loads. A system able to move such items quickly from ship to ship or from ship to shore could preserve larger manned platforms for higher-priority missions while reducing the manpower and risk associated with routine resupply tasks.

The Marine Corps’ announcement makes clear that the operational demand came from the fleet, especially from Combat Logistics Battalions that must sustain maneuver forces under expeditionary conditions. Lt. Col. Zacharias Hornbaker, commanding officer of CLB-26, said the need was to move parts and supplies between ships, to the shore, and back again without relying on manned aircraft or traditional landing craft. That comment is important because it places the TRV-150C within a broader doctrinal trend. As naval and Marine formations prepare for more distributed operations across wider areas, sustainment becomes more difficult and more exposed. In that context, a cargo drone is not simply a convenience tool. It becomes a way to preserve tempo, lower the burden on limited aviation assets, and make smaller logistics movements less predictable and potentially less vulnerable.

The test also highlights how far a capability still has to go before it becomes routine fleet equipment. The announcement describes the flights as a proof-of-concept evaluation and says the next phase will involve refining procedures and developing training for fleet use as requested by Combat Logistics Battalions. That institutional step is critical. Military adoption depends not only on aircraft performance, but on battery certification, flight clearances, deck procedures, operator training, maintenance support, cargo handling rules, and integration with shipboard command processes. The value of this trial lies in showing that the Marine Corps is beginning to work through the practical problems of turning autonomous cargo flight from an interesting demonstration into a usable logistics tool for expeditionary forces.

The TRV-150C shipboard trial aboard a San Antonio-class LPD shows that the Marine Corps is starting to treat autonomous logistics as a serious operational requirement rather than a peripheral experiment. By proving that a 150-pound-class cargo UAS can launch and recover from one of the Navy’s core amphibious platforms, the service has taken an early but meaningful step toward a more flexible and less manpower-intensive resupply model. If future testing confirms that this capability can be integrated safely and repeatedly into fleet procedures, small cargo drones could become an important connector between ships, landing forces, and dispersed littoral units in the next phase of U.S. expeditionary warfare.

Written by Teoman S. Nicanci – Defense Analyst, Army Recognition Group

Teoman S. Nicanci holds degrees in Political Science, Comparative and International Politics, and International Relations and Diplomacy from leading Belgian universities, with research focused on Russian strategic behavior, defense technology, and modern warfare. He is a defense analyst at Army Recognition, specializing in the global defense industry, military armament, and emerging defense technologies.