.WHEN RUSSIA occupied in February 2022 Ukraine scarcely possessed a navy. The protectors scuttled their one frigate to avoid Russia from seizing it. Two years later on Ukraine is having a hard time to keep back a Russian offensive on land-- but it is actually succeeding the battle in the Black Ocean as well as has actually broken the Russian clog of its surface ships. Its triumphes have commonly depended on quick technological innovation: intermittent navy relies on crewed ships to eliminate, but Ukraine has actually built a squadron of drone boats, or uncrewed surface autos (USVs). Just how are they forming the war mixed-up?