control of this pilot, call sign shark. this is ukraine s latest c or surface drone designed to attack russia in the black sea. this model is loaded with almost 700 pounds of explosives and can hit a target 800 kilometers, 500 m miles, away. they re very easy to control, shark tells us, and they have severely limited the russian navy s movements. ukraine sends them 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 an attack in