.WHEN RUSSIA penetrated in February 2022 Ukraine barely had a navy. The defenders scuttled their one frigate to prevent Russia coming from appropriating it. 2 years later on Ukraine is actually having a hard time to hold back a Russian aggression ashore-- but it is actually winning the battle Sea as well as has damaged the Russian blockade of its own grain ships. Its success have actually typically relied on rapid technical development: intermittent navy relies on crewed ships to overcome, however Ukraine has constructed a fleet of drone boats, or even uncrewed area cars (USVs). How are they forming the war at sea?