.WHEN RUSSIA infested in February 2022 Ukraine scarcely possessed a naval force. The protectors scuttled their one frigate to prevent Russia coming from seizing it. Two years eventually Ukraine is battling to hold back a Russian offensive on land-- yet it is gaining the battle Ocean as well as has actually cracked the Russian blockade of its grain ships. Its triumphes have frequently relied on swift technological innovation: every other naval force relies upon crewed ships to combat, but Ukraine has actually built a line of drone boats, or uncrewed surface autos (USVs). Exactly how are they molding the war at sea?