.WHEN RUSSIA attacked in February 2022 Ukraine hardly possessed a naval force. The defenders scuttled their one frigate to avoid Russia from seizing it. Two years later on Ukraine is actually struggling to hold back a Russian aggression on land-- yet it is succeeding the war in the Black Sea and has actually broken the Russian clog of its own grain ships. Its own victories have actually commonly depended upon swift technological advancement: intermittent navy depends on crewed ships to eliminate, yet Ukraine has actually built a squadron of drone watercrafts, or uncrewed area autos (USVs). Exactly how are they forming the war mixed-up?