.WHEN RUSSIA occupied in February 2022 Ukraine scarcely possessed a naval force. The defenders scuttled their one frigate to stop Russia coming from seizing it. Pair of years later Ukraine is struggling to keep back a Russian offensive on land-- however it is actually gaining the war Sea as well as has broken the Russian blockade of its own surface ships. Its own triumphes have commonly depended upon fast technological technology: intermittent navy relies upon crewed ships to combat, however Ukraine has actually developed a fleet of drone boats, or even uncrewed surface area motor vehicles (USVs). How are they molding the battle at sea?