.WHEN RUSSIA penetrated in February 2022 Ukraine scarcely had a navy. The defenders scuttled their one frigate to stop Russia coming from appropriating it. Two years eventually Ukraine is actually having a hard time to hold off a Russian aggression ashore-- however it is actually winning the war in the Black Sea and has cracked the Russian clog of its grain ships. Its own success have frequently depended on fast technological development: intermittent navy relies upon crewed ships to combat, yet Ukraine has created a line of drone boats, or uncrewed surface area motor vehicles (USVs). How are they forming the battle at sea?