Ukrainian forces sank the Russian patrol ship Sergey Kotov this week. According to estimates, over the past two years, more than a third of the Russian Black Sea Fleet has been destroyed or damaged, including due to the advanced drones Magura and Sea Baby. More about these developments, their characteristics, and how they have already changed the rules of warfare at sea can be found in the material by RBC-Ukraine. The material was prepared using information from Wikipedia, statements from the Chief of the Defense Intelligence of the Ministry of Defense of Ukraine, Kyrylo Budanov, the spokesper…