For the first time in the history of world wars, as a result of a group attack by naval drones, which were directed via a space satellite, a warship that was on the move in the open sea in full combat readiness was destroyed. On February 1, 2024, marine drones of the Group 13 unit of the Main Intelligence Directorate of the Ministry of Defense of Ukraine destroyed a Russian project 12411 missile boat in the Black Sea near the protected naval base on Lake Donuzlav in the temporarily occupied Crimea. Project 12411 missile boat, with a displacement of up to 500 tons, with a crew of 40 people, armed with P-270 Mosquito anti-ship missiles. Judging by the video, a group of at least five naval drones of the GUR MOU infiltrated the Donuzlav base of the Black Sea Fleet of the Russian Federation unnoticed, and the drones successively attacked the missile boat, which was apparently conducting combat patrols and defense of the base. It is worth noting that the Russian intelligence did not notice the approach of the drones. The crew of the missile boat, according to the GUR it was "Ivanovets", judging by the video, noticed the approach of the drones visually, and the boat was on the move at the time of the attack and could maneuver. A rocket boat can develop a speed of more than 30 knots, and simply run away from drones. But "Ivanovets" did not have time to gain speed. The nose 76 mm anti-aircraft artillery installation AK-176, as can be clearly seen, was in the marching position, that is, it did not turn on and did not open fire. It is also not noticeable that the Russians managed to bring into battle two 30 mm anti-aircraft artillery installations AK-630, which are capable of conducting dense fire at moving targets at short distances. But apparently, machine-gun fire was opened on the drones from close range by the next watch. However, due to the small size, speed and maneuverability of the drones, the Russians failed to hit them. The well-chosen tactics of the attack by the Group 13 commanders is admirable - the first drone hit the stern of the boat from the starboard side in order to disable the propellers. The boat could not develop full speed, but did not stop. Then the second drone also hit the propellers, but from the left side. With these two blows, the boat was reliably deprived of motion and maneuverability. After that, the ship was competently finished. The third drone hit the middle of the hull under the Mosquito missile launchers and caused a large tear in the port side. Video from this drone is not shown. But the results of the hit are visible from the camera of the fourth drone, which the operator directed directly into the ravine from the third drone in the same place. The explosion from the fourth drone was fatal for the ship. As a result of the impact, four Mosquito missiles were detonated, the total weight of which is 4 tons each. The rocket boat "Ivanovets" was literally blown to pieces, there was almost no chance for the crew to save themselves. The brilliant success of Ukrainian soldiers, the command and operators of Group 13 GUR of the MoD showed a high level of intelligence, planning, training and operation management. Attack tactics deserve to be studied as a model. It is worth noting that the aim of the attack was not to defeat, but rather to completely destroy the ship, so a whole group of drones was dispatched to reliably perform the task, which allowed to inflict maximum losses on the enemy.