.WHEN RUSSIA penetrated in February 2022 Ukraine rarely had a naval force. The defenders scuttled their one frigate to avoid Russia coming from seizing it. Two years later Ukraine is actually battling to keep back a Russian aggression on land-- but it is actually gaining the war in the Black Ocean and also has actually broken the Russian clog of its own surface ships. Its success have actually frequently relied on quick technological innovation: every other navy relies upon crewed ships to overcome, but Ukraine has constructed a fleet of drone boats, or even uncrewed area autos (USVs). How are they forming the battle at sea?