.WHEN RUSSIA occupied in February 2022 Ukraine scarcely possessed a naval force. The guardians scuttled their one frigate to avoid Russia coming from seizing it. Two years later Ukraine is struggling to hold back a Russian aggression ashore-- however it is actually succeeding the battle Ocean and also has actually damaged the Russian blockade of its grain ships. Its own success have actually often depended upon quick technical advancement: every other naval force relies on crewed ships to eliminate, however Ukraine has developed a fleet of drone boats, or even uncrewed surface area automobiles (USVs). Just how are they shaping the battle at sea?