.WHEN RUSSIA occupied in February 2022 Ukraine hardly possessed a naval force. The guardians scuttled their one frigate to prevent Russia from appropriating it. 2 years later Ukraine is struggling to hold back a Russian onslaught ashore-- yet it is succeeding the war Sea as well as has broken the Russian blockade of its own surface ships. Its success have typically depended upon rapid technological development: intermittent naval force relies on crewed ships to combat, yet Ukraine has developed a squadron of drone boats, or even uncrewed area lorries (USVs). Just how are they shaping the battle mixed-up?