.WHEN RUSSIA penetrated in February 2022 Ukraine scarcely had a naval force. The defenders scuttled their one frigate to prevent Russia coming from seizing it. Pair of years eventually Ukraine is actually struggling to hold back a Russian onslaught ashore-- but it is actually succeeding the battle Sea and also has actually damaged the Russian blockade of its surface ships. Its success have commonly relied on swift technical advancement: every other navy relies upon crewed ships to eliminate, but Ukraine has created a line of drone boats, or uncrewed surface vehicles (USVs). Exactly how are they forming the war at sea?