.WHEN RUSSIA penetrated in February 2022 Ukraine scarcely had a naval force. The defenders scuttled their one frigate to prevent Russia from appropriating it. Two years later on Ukraine is actually struggling to keep back a Russian onslaught ashore-- yet it is gaining the battle Ocean and also has broken the Russian clog of its own surface ships. Its own success have actually frequently depended on swift technological innovation: every other naval force depends on crewed ships to fight, however Ukraine has actually constructed a squadron of drone boats, or even uncrewed surface vehicles (USVs). Just how are they forming the war mixed-up?