.WHEN RUSSIA attacked in February 2022 Ukraine scarcely possessed a naval force. The protectors scuttled their one frigate to avoid Russia coming from seizing it. 2 years later on Ukraine is battling to keep back a Russian aggression on land-- however it is succeeding the battle Ocean as well as has actually broken the Russian blockade of its own surface ships. Its own victories have often relied on rapid technical innovation: intermittent naval force depends on crewed ships to fight, however Ukraine has actually created a squadron of drone boats, or even uncrewed surface area lorries (USVs). How are they shaping the battle at sea?