.WHEN RUSSIA attacked in February 2022 Ukraine rarely possessed a naval force. The guardians scuttled their one frigate to avoid Russia from seizing it. 2 years later Ukraine is having a hard time to hold back a Russian offensive on land-- however it is actually gaining the war in the Black Ocean as well as has cracked the Russian clog of its own grain ships. Its own victories have usually depended on fast technological advancement: intermittent naval force relies upon crewed ships to combat, however Ukraine has built a line of drone boats, or uncrewed surface area lorries (USVs). Exactly how are they shaping the battle mixed-up?