.WHEN RUSSIA got into in February 2022 Ukraine scarcely possessed a navy. The guardians scuttled their one frigate to prevent Russia coming from seizing it. Pair of years eventually Ukraine is battling to hold off a Russian aggression ashore-- but it is winning the war Sea and also has cracked the Russian blockade of its grain ships. Its triumphes have actually typically depended upon quick technical innovation: every other navy relies on crewed ships to overcome, yet Ukraine has actually developed a line of drone boats, or uncrewed surface area automobiles (USVs). Just how are they forming the battle mixed-up?