.WHEN RUSSIA attacked in February 2022 Ukraine scarcely had a navy. The protectors scuttled their one frigate to stop Russia coming from appropriating it. Pair of years eventually Ukraine is actually having a hard time to hold off a Russian onslaught on land-- however it is actually succeeding the battle in the Black Sea and has actually broken the Russian clog of its surface ships. Its triumphes have actually frequently depended upon rapid technical innovation: every other navy relies upon crewed ships to fight, however Ukraine has actually built a squadron of drone watercrafts, or uncrewed surface area lorries (USVs). Exactly how are they molding the battle at sea?