.WHEN RUSSIA occupied in February 2022 Ukraine hardly possessed a navy. The defenders scuttled their one frigate to avoid Russia coming from seizing it. Pair of years later Ukraine is battling to hold back a Russian aggression on land-- but it is actually winning the war Sea and has actually broken the Russian clog of its grain ships. Its success have actually frequently relied on rapid technological development: intermittent navy counts on crewed ships to overcome, but Ukraine has actually developed a fleet of drone boats, or uncrewed surface area lorries (USVs). Just how are they shaping the war mixed-up?