.WHEN RUSSIA infested in February 2022 Ukraine rarely had a naval force. The guardians scuttled their one frigate to avoid Russia coming from appropriating it. Pair of years later on Ukraine is actually having a hard time to hold off a Russian aggression on land-- yet it is succeeding the battle in the Black Sea and also has actually damaged the Russian blockade of its own grain ships. Its victories have actually usually depended upon fast technological advancement: every other navy relies upon crewed ships to overcome, but Ukraine has constructed a fleet of drone boats, or even uncrewed surface area vehicles (USVs). Just how are they forming the battle at sea?