.WHEN RUSSIA infested in February 2022 Ukraine scarcely possessed a naval force. The guardians scuttled their one frigate to prevent Russia coming from appropriating it. Pair of years later on Ukraine is struggling to hold off a Russian offensive on land-- yet it is actually gaining the war in the Black Sea and also has actually damaged the Russian clog of its own grain ships. Its own victories have often depended on rapid technical innovation: intermittent naval force depends on crewed ships to fight, yet Ukraine has constructed a line of drone watercrafts, or even uncrewed surface area vehicles (USVs). Just how are they shaping the war mixed-up?