.WHEN RUSSIA infested in February 2022 Ukraine barely had a navy. The guardians scuttled their one frigate to stop Russia from seizing it. Pair of years later on Ukraine is battling to hold back a Russian offensive on land-- yet it is winning the war in the Black Sea as well as has actually broken the Russian blockade of its own grain ships. Its own success have often relied on swift technological development: every other navy relies upon crewed ships to overcome, but Ukraine has actually built a line of drone watercrafts, or uncrewed surface area automobiles (USVs). Exactly how are they forming the war mixed-up?