.WHEN RUSSIA penetrated in February 2022 Ukraine rarely possessed a naval force. The defenders scuttled their one frigate to avoid Russia coming from appropriating it. Pair of years eventually Ukraine is actually having a hard time to keep back a Russian onslaught ashore-- but it is gaining the battle in the Black Ocean and also has damaged the Russian blockade of its own surface ships. Its own success have often relied on rapid technical development: every other naval force relies on crewed ships to fight, however Ukraine has actually constructed a line of drone watercrafts, or even uncrewed surface area motor vehicles (USVs). Exactly how are they forming the battle mixed-up?