.WHEN RUSSIA attacked in February 2022 Ukraine barely possessed a navy. The protectors scuttled their one frigate to avoid Russia coming from seizing it. Two years later on Ukraine is battling to hold off a Russian offensive ashore-- but it is gaining the war Sea as well as has actually broken the Russian blockade of its grain ships. Its own success have actually often relied on rapid technological advancement: intermittent naval force relies upon crewed ships to combat, but Ukraine has created a squadron of drone watercrafts, or even uncrewed area motor vehicles (USVs). Just how are they shaping the battle at sea?