.WHEN RUSSIA occupied in February 2022 Ukraine scarcely possessed a naval force. The defenders scuttled their one frigate to avoid Russia from appropriating it. Two years later Ukraine is actually having a hard time to hold back a Russian aggression ashore-- yet it is actually succeeding the war Ocean and also has broken the Russian blockade of its surface ships. Its own victories have actually often depended on fast technological technology: every other navy relies upon crewed ships to combat, but Ukraine has created a squadron of drone watercrafts, or even uncrewed surface lorries (USVs). Exactly how are they molding the battle mixed-up?