.WHEN RUSSIA infested in February 2022 Ukraine hardly had a navy. The protectors scuttled their one frigate to prevent Russia coming from seizing it. 2 years eventually Ukraine is actually struggling to hold back a Russian onslaught on land-- but it is succeeding the war Sea and has actually broken the Russian blockade of its own grain ships. Its victories have actually usually depended upon swift technical technology: intermittent navy relies on crewed ships to overcome, yet Ukraine has actually developed a fleet of drone watercrafts, or even uncrewed area autos (USVs). Exactly how are they forming the battle mixed-up?