.WHEN RUSSIA penetrated in February 2022 Ukraine hardly possessed a navy. The defenders scuttled their one frigate to prevent Russia from appropriating it. Pair of years eventually Ukraine is battling to hold off a Russian offensive on land-- but it is winning the battle in the Black Sea as well as has cracked the Russian clog of its own grain ships. Its success have actually usually depended on fast technological development: intermittent naval force counts on crewed ships to fight, however Ukraine has constructed a squadron of drone boats, or uncrewed surface area motor vehicles (USVs). Just how are they molding the war mixed-up?