.WHEN RUSSIA got into in February 2022 Ukraine rarely possessed a navy. The protectors scuttled their one frigate to stop Russia coming from appropriating it. Two years later on Ukraine is actually struggling to hold off a Russian aggression ashore-- yet it is actually gaining the battle Sea and has cracked the Russian blockade of its grain ships. Its victories have typically depended on swift technical advancement: every other naval force relies upon crewed ships to overcome, but Ukraine has created a line of drone boats, or even uncrewed surface area automobiles (USVs). How are they shaping the war mixed-up?