.WHEN RUSSIA invaded in February 2022 Ukraine scarcely possessed a navy. The defenders scuttled their one frigate to stop Russia from appropriating it. Pair of years later Ukraine is actually having a hard time to hold off a Russian aggression ashore-- yet it is actually succeeding the war Ocean and has cracked the Russian clog of its surface ships. Its own triumphes have typically relied on swift technological technology: intermittent navy depends on crewed ships to fight, but Ukraine has actually created a squadron of drone boats, or even uncrewed area motor vehicles (USVs). How are they molding the battle mixed-up?