.WHEN RUSSIA got into in February 2022 Ukraine hardly had a navy. The protectors scuttled their one frigate to prevent Russia from seizing it. 2 years eventually Ukraine is battling to hold off a Russian onslaught ashore-- however it is succeeding the battle Ocean and also has actually broken the Russian blockade of its own grain ships. Its own success have frequently relied on swift technological advancement: every other navy counts on crewed ships to overcome, yet Ukraine has created a line of drone boats, or even uncrewed surface area automobiles (USVs). How are they forming the war mixed-up?