The U.S. Navy used three Saronic Corsair unmanned surface vessels in a coordinated strike against Iran's Bandar Abbas naval base in June 2026 [1], [2].

This operation marks the first time the U.S. military has employed these specific sea-borne drones in active combat. The deployment signals a shift in maritime warfare, moving toward uncrewed systems to conduct high-risk retaliatory strikes while minimizing risks to human sailors.

The attack occurred amid escalating tensions between the U.S. and Iran [3]. According to reports, the drones were used as a retaliatory strike against Iranian naval assets [3]. The mission utilized three separate drones to coordinate the assault [2].

Each Saronic Corsair vessel measures 24 feet in length [4]. These drones are designed for long-distance operations, boasting an operational range of 1,000 nautical miles [2]. The vessels can reach maximum speeds of over 35 knots [2].

In addition to their speed and range, the drones possess a significant payload capacity. Each vessel can carry up to 1,000 pounds [2]. This capacity allows the Navy to deliver substantial explosives, or surveillance equipment, to a target without risking a crewed ship.

The use of these unmanned surface vessels allows the U.S. Navy to project power in contested waters. By utilizing the Corsair's specific capabilities, the military can execute precision strikes against coastal installations like Bandar Abbas while maintaining a distance from immediate counter-fire.

The operation marks the first time the U.S. military has employed these specific sea-borne drones in active combat.

The transition to unmanned surface vessels for retaliatory strikes suggests a strategic pivot in the U.S. approach to the Persian Gulf. By deploying the Saronic Corsair, the Navy is reducing the political and human cost of engagement, potentially lowering the threshold for future strikes. This move forces Iranian naval command to adapt their coastal defenses against low-profile, high-speed autonomous threats that do not follow traditional naval engagement patterns.