.WHEN RUSSIA infested in February 2022 Ukraine barely possessed a navy. The defenders scuttled their one frigate to stop Russia coming from seizing it. Pair of years later on Ukraine is struggling to keep back a Russian onslaught on land-- but it is actually gaining the battle in the Black Sea as well as has actually cracked the Russian clog of its own grain ships. Its own triumphes have usually depended upon quick technical advancement: intermittent navy counts on crewed ships to overcome, but Ukraine has constructed a fleet of drone watercrafts, or uncrewed surface automobiles (USVs). How are they forming the war at sea?