GeoConfirmed published videos showing Unmanned Surface Vehicles (USVs), or ship drones, attacking ships of the Russian Black Sea Fleet in Sevastopol, a port city in Russian-occupied Crimea, on Saturday, October 29.
One of the published videos shows an alleged attack on a Russian Admiral Grigorovich-class frigate, and "only the Admiral Makarov matches this class for the Black Sea Feet," the investigation says. "The footage stops when the USV seems to impact on the vessel, it likely exploded," the investigation says.
Another video shows an attack on a Russian "Natya-class minesweeper." According to GeoConfirmed, 6-8 ship drones were used to attack the fleet.
As Defense Express reported, Mysterious Unmanned Surface Vehicles Attacked russia's Black Sea Fleet's Main Base on Saturday.
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