.WHEN RUSSIA invaded in February 2022 Ukraine barely possessed a navy. The protectors scuttled their one frigate to stop Russia coming from appropriating it. 2 years later on Ukraine is straining to keep back a Russian onslaught ashore-- yet it is succeeding the war in the Black Ocean and also has damaged the Russian clog of its own surface ships. Its own triumphes have usually depended on quick technical advancement: intermittent navy counts on crewed ships to combat, however Ukraine has created a squadron of drone boats, or even uncrewed surface cars (USVs). Just how are they shaping the war at sea?