.WHEN RUSSIA attacked in February 2022 Ukraine rarely had a naval force. The protectors scuttled their one frigate to prevent Russia coming from seizing it. Two years eventually Ukraine is actually battling to hold back a Russian onslaught on land-- yet it is actually gaining the battle in the Black Sea and has damaged the Russian blockade of its surface ships. Its triumphes have actually frequently depended upon fast technological advancement: every other naval force relies on crewed ships to fight, however Ukraine has built a line of drone boats, or uncrewed area automobiles (USVs). Exactly how are they shaping the battle at sea?