.WHEN RUSSIA infested in February 2022 Ukraine rarely had a naval force. The protectors scuttled their one frigate to stop Russia from seizing it. 2 years eventually Ukraine is actually struggling to keep back a Russian aggression ashore-- but it is gaining the battle in the Black Ocean as well as has actually cracked the Russian blockade of its own surface ships. Its victories have actually typically relied on fast technical technology: intermittent navy counts on crewed ships to overcome, however Ukraine has created a line of drone boats, or uncrewed surface area autos (USVs). Just how are they forming the war at sea?