.WHEN RUSSIA invaded in February 2022 Ukraine hardly possessed a naval force. The protectors scuttled their one frigate to prevent Russia coming from seizing it. Two years later Ukraine is actually having a hard time to keep back a Russian aggression ashore-- yet it is actually succeeding the battle Ocean and also has actually broken the Russian clog of its own grain ships. Its own success have usually depended upon fast technological technology: intermittent navy depends on crewed ships to eliminate, yet Ukraine has developed a line of drone boats, or uncrewed surface automobiles (USVs). How are they shaping the battle at sea?