.WHEN RUSSIA occupied in February 2022 Ukraine rarely had a navy. The protectors scuttled their one frigate to prevent Russia from appropriating it. Pair of years later on Ukraine is actually struggling to keep back a Russian aggression ashore-- however it is actually gaining the war in the Black Ocean as well as has actually broken the Russian blockade of its surface ships. Its success have actually commonly depended upon fast technological advancement: every other navy counts on crewed ships to eliminate, yet Ukraine has actually built a fleet of drone boats, or uncrewed surface area lorries (USVs). Exactly how are they forming the battle mixed-up?