.WHEN RUSSIA infested in February 2022 Ukraine scarcely possessed a navy. The protectors scuttled their one frigate to avoid Russia coming from appropriating it. Pair of years later Ukraine is having a hard time to hold off a Russian offensive on land-- yet it is gaining the battle Ocean as well as has actually broken the Russian blockade of its own grain ships. Its success have actually frequently relied on fast technological innovation: intermittent navy relies upon crewed ships to eliminate, but Ukraine has developed a fleet of drone boats, or uncrewed surface vehicles (USVs). Exactly how are they forming the war mixed-up?