.WHEN RUSSIA invaded in February 2022 Ukraine hardly possessed a naval force. The guardians scuttled their one frigate to prevent Russia from seizing it. Pair of years later Ukraine is straining to hold back a Russian offensive ashore-- however it is actually gaining the war in the Black Sea and also has damaged the Russian blockade of its surface ships. Its own triumphes have often relied on fast technological development: intermittent naval force relies on crewed ships to eliminate, however Ukraine has created a fleet of drone boats, or even uncrewed surface automobiles (USVs). Just how are they shaping the battle at sea?