.WHEN RUSSIA got into in February 2022 Ukraine scarcely possessed a navy. The defenders scuttled their one frigate to avoid Russia coming from seizing it. Pair of years eventually Ukraine is having a hard time to hold off a Russian aggression on land-- yet it is succeeding the battle in the Black Sea and also has damaged the Russian blockade of its own surface ships. Its triumphes have commonly depended upon rapid technical advancement: every other navy counts on crewed ships to combat, however Ukraine has actually developed a fleet of drone watercrafts, or even uncrewed surface autos (USVs). Exactly how are they molding the battle at sea?