.WHEN RUSSIA got into in February 2022 Ukraine scarcely had a naval force. The guardians scuttled their one frigate to prevent Russia from seizing it. 2 years later Ukraine is actually struggling to keep back a Russian aggression ashore-- but it is actually winning the war Ocean and has damaged the Russian clog of its surface ships. Its success have actually often relied on rapid technological innovation: every other naval force depends on crewed ships to fight, yet Ukraine has actually created a fleet of drone boats, or uncrewed surface vehicles (USVs). How are they molding the battle at sea?