.WHEN RUSSIA infested in February 2022 Ukraine scarcely had a navy. The protectors scuttled their one frigate to stop Russia from appropriating it. Two years later Ukraine is battling to hold off a Russian aggression ashore-- yet it is actually gaining the battle in the Black Ocean and has damaged the Russian clog of its own grain ships. Its success have commonly relied on quick technological advancement: intermittent navy relies upon crewed ships to combat, yet Ukraine has actually constructed a squadron of drone watercrafts, or uncrewed surface automobiles (USVs). How are they molding the war mixed-up?