.WHEN RUSSIA penetrated in February 2022 Ukraine rarely had a naval force. The guardians scuttled their one frigate to stop Russia from seizing it. Pair of years later on Ukraine is actually having a hard time to hold back a Russian offensive on land-- however it is succeeding the war Sea and has actually damaged the Russian blockade of its grain ships. Its own victories have typically relied on fast technical advancement: every other navy relies on crewed ships to overcome, but Ukraine has actually developed a line of drone watercrafts, or uncrewed surface lorries (USVs). Exactly how are they forming the battle mixed-up?