.WHEN RUSSIA got into in February 2022 Ukraine scarcely possessed a navy. The defenders scuttled their one frigate to stop Russia from appropriating it. 2 years later Ukraine is actually struggling to hold off a Russian onslaught ashore-- but it is actually gaining the battle Sea and also has broken the Russian clog of its grain ships. Its triumphes have actually frequently relied on quick technological development: intermittent naval force depends on crewed ships to eliminate, yet Ukraine has actually built a squadron of drone watercrafts, or uncrewed surface area lorries (USVs). How are they shaping the battle at sea?