.WHEN RUSSIA occupied in February 2022 Ukraine scarcely possessed a navy. The protectors scuttled their one frigate to prevent Russia from seizing it. 2 years eventually Ukraine is actually having a hard time to hold off a Russian onslaught on land-- however it is actually winning the battle Sea and also has actually cracked the Russian blockade of its surface ships. Its own success have typically relied on swift technological innovation: every other navy relies on crewed ships to eliminate, yet Ukraine has constructed a squadron of drone watercrafts, or uncrewed surface motor vehicles (USVs). How are they molding the battle mixed-up?