.WHEN RUSSIA invaded in February 2022 Ukraine scarcely had a naval force. The guardians scuttled their one frigate to prevent Russia coming from seizing it. Pair of years later Ukraine is actually having a hard time to hold off a Russian offensive ashore-- yet it is actually winning the war in the Black Ocean as well as has broken the Russian blockade of its own surface ships. Its victories have typically depended upon fast technical development: intermittent naval force counts on crewed ships to fight, however Ukraine has actually created a fleet of drone boats, or uncrewed surface autos (USVs). Just how are they forming the battle at sea?