surface, drone, designed to attack russia in the black sea. they ve never been shown to the public before. this model is armed with 300 kilograms, or almost 700 pounds, of explosive, and can hit a target 800 kilometers, 500 miles, away. they re very easy to control, and they have severely limited to russian navy s movements. ukraine s sends its sea drones out hunting, plowing through the waves. if spotted, the russian ships frantically open fire. sometimes the russians get lucky and manage to take them out. other times, the drones break through the hail of bullets and reach their targets. last october, ukrainian sea drones carried out a stunning attack on the home port of the russian black sea fleet in russian occupied crimea, targeting the flagship, the admiral mccar of. this drone can attack, carry out surveillance and reconnaissance.