.WHEN RUSSIA got into in February 2022 Ukraine scarcely possessed a navy. The defenders scuttled their one frigate to avoid Russia from appropriating it. Two years eventually Ukraine is having a hard time to hold off a Russian onslaught on land-- however it is gaining the battle Sea as well as has actually damaged the Russian blockade of its grain ships. Its victories have actually often depended upon rapid technological innovation: every other naval force counts on crewed ships to eliminate, but Ukraine has constructed a line of drone boats, or even uncrewed area motor vehicles (USVs). Exactly how are they forming the battle at sea?