.WHEN RUSSIA invaded in February 2022 Ukraine barely possessed a navy. The defenders scuttled their one frigate to stop Russia from appropriating it. Pair of years eventually Ukraine is actually straining to hold back a Russian aggression ashore-- however it is actually succeeding the battle in the Black Sea and has damaged the Russian clog of its own surface ships. Its own victories have actually often relied on rapid technological technology: every other navy counts on crewed ships to combat, but Ukraine has developed a squadron of drone boats, or even uncrewed area vehicles (USVs). Exactly how are they molding the war at sea?