.WHEN RUSSIA attacked in February 2022 Ukraine scarcely had a naval force. The guardians scuttled their one frigate to stop Russia from seizing it. Pair of years later Ukraine is struggling to keep back a Russian offensive ashore-- but it is actually winning the war Ocean and has actually cracked the Russian blockade of its own grain ships. Its own success have commonly relied on rapid technical technology: every other navy relies on crewed ships to eliminate, yet Ukraine has constructed a squadron of drone boats, or uncrewed surface area automobiles (USVs). How are they molding the battle at sea?