.WHEN RUSSIA occupied in February 2022 Ukraine hardly had a naval force. The guardians scuttled their one frigate to avoid Russia coming from seizing it. 2 years later Ukraine is struggling to hold off a Russian offensive on land-- however it is actually succeeding the battle in the Black Sea and has damaged the Russian blockade of its grain ships. Its own success have actually usually relied on fast technical innovation: every other naval force depends on crewed ships to combat, yet Ukraine has constructed a fleet of drone boats, or even uncrewed surface automobiles (USVs). How are they forming the war at sea?