.WHEN RUSSIA got into in February 2022 Ukraine scarcely possessed a naval force. The defenders scuttled their one frigate to avoid Russia coming from seizing it. 2 years later Ukraine is actually straining to hold back a Russian offensive ashore-- however it is gaining the war in the Black Ocean and has cracked the Russian clog of its surface ships. Its own success have actually usually depended on rapid technical development: every other naval force depends on crewed ships to combat, however Ukraine has built a squadron of drone boats, or uncrewed surface area lorries (USVs). Exactly how are they molding the battle mixed-up?