.WHEN RUSSIA penetrated in February 2022 Ukraine hardly had a naval force. The protectors scuttled their one frigate to avoid Russia coming from appropriating it. Pair of years later Ukraine is struggling to hold back a Russian offensive ashore-- yet it is winning the battle in the Black Sea as well as has cracked the Russian clog of its surface ships. Its own success have frequently depended on quick technical development: every other naval force counts on crewed ships to eliminate, yet Ukraine has created a line of drone boats, or even uncrewed area cars (USVs). Just how are they shaping the battle mixed-up?