.WHEN RUSSIA attacked in February 2022 Ukraine hardly had a navy. The protectors scuttled their one frigate to prevent Russia coming from seizing it. Pair of years later Ukraine is having a hard time to hold back a Russian onslaught on land-- however it is winning the war Ocean and has actually damaged the Russian clog of its own surface ships. Its triumphes have actually usually depended on rapid technological technology: intermittent navy depends on crewed ships to fight, however Ukraine has created a line of drone watercrafts, or uncrewed area motor vehicles (USVs). Just how are they forming the battle at sea?