U.S. Navy Advances Autonomous At-Sea Refueling for Unmanned Fleet
The Naval Air Warfare Center Weapons Division successfully demonstrated automated at-sea refueling of an unmanned surface vessel off the Virginia coast, marking a key operational breakthrough for persistent distributed maritime operations.
The Naval Air Warfare Center Weapons Division (NAWCWD) has successfully executed a targeted flight and maritime demonstration off the coast of Virginia, using a robotic towed connector to capture, refuel, and release an unmanned surface vessel (USV). The trial validated core mechanical and dynamic control concepts necessary to conduct automated underway replenishment (UNREP) without human intervention. By repeatedly executing the capture-refuel-release loop, the test addresses one of the most significant operational hurdles facing the military's expanding uncrewed fleet: dynamic sustainment at sea.
For defense leaders, autonomous refueling capabilities are foundational to operationalizing persistent, distributed maritime warfare, particularly in vast operational theaters like the Indo-Pacific. Traditional underway replenishment requires manned support ships and active deck crews to manage fuel lines, creating dangerous exposure and tying up high-value combat assets. Transitioning fuel delivery to robotic towed systems allows unmanned vessels to maintain continuous operational orbits, extending mission endurance, expanding sensor range, and significantly reducing logistics risks to military personnel in contested environments.
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