.WHEN RUSSIA occupied in February 2022 Ukraine scarcely had a navy. The defenders scuttled their one frigate to stop Russia coming from seizing it. Pair of years later on Ukraine is having a hard time to keep back a Russian offensive on land-- however it is actually winning the battle Ocean and also has broken the Russian clog of its grain ships. Its own success have actually often relied on quick technological technology: intermittent naval force relies upon crewed ships to eliminate, but Ukraine has actually developed a line of drone watercrafts, or uncrewed surface automobiles (USVs). Just how are they forming the war at sea?