.WHEN RUSSIA occupied in February 2022 Ukraine scarcely possessed a navy. The protectors scuttled their one frigate to stop Russia coming from appropriating it. 2 years later on Ukraine is actually struggling to hold back a Russian aggression ashore-- yet it is actually succeeding the battle Sea as well as has actually broken the Russian clog of its grain ships. Its own victories have actually often depended on fast technological development: intermittent navy relies upon crewed ships to eliminate, yet Ukraine has actually constructed a line of drone boats, or even uncrewed surface automobiles (USVs). How are they forming the battle at sea?