.WHEN RUSSIA got into in February 2022 Ukraine barely had a navy. The guardians scuttled their one frigate to avoid Russia from appropriating it. Pair of years later Ukraine is actually struggling to hold back a Russian aggression on land-- yet it is actually succeeding the battle Sea and also has cracked the Russian blockade of its grain ships. Its own victories have commonly depended on quick technological innovation: every other navy depends on crewed ships to fight, yet Ukraine has actually created a squadron of drone watercrafts, or even uncrewed surface vehicles (USVs). Just how are they shaping the battle mixed-up?