.WHEN RUSSIA penetrated in February 2022 Ukraine rarely possessed a navy. The protectors scuttled their one frigate to avoid Russia from seizing it. Pair of years later Ukraine is having a hard time to hold off a Russian aggression on land-- however it is succeeding the war Sea and has damaged the Russian clog of its own grain ships. Its own success have actually typically depended on quick technological advancement: intermittent naval force depends on crewed ships to combat, yet Ukraine has actually constructed a line of drone watercrafts, or uncrewed surface lorries (USVs). Exactly how are they molding the battle mixed-up?