.WHEN RUSSIA infested in February 2022 Ukraine barely had a naval force. The defenders scuttled their one frigate to avoid Russia coming from seizing it. Two years eventually Ukraine is battling to hold off a Russian onslaught ashore-- however it is gaining the battle Sea and has actually damaged the Russian clog of its own grain ships. Its triumphes have commonly depended on rapid technical technology: every other naval force relies on crewed ships to fight, yet Ukraine has actually developed a line of drone boats, or even uncrewed area autos (USVs). Just how are they forming the battle at sea?