.WHEN RUSSIA occupied in February 2022 Ukraine barely possessed a naval force. The defenders scuttled their one frigate to stop Russia coming from seizing it. 2 years later on Ukraine is battling to hold back a Russian aggression ashore-- however it is actually succeeding the war Sea as well as has broken the Russian blockade of its own grain ships. Its own triumphes have actually usually depended upon fast technical development: intermittent navy relies upon crewed ships to fight, however Ukraine has constructed a fleet of drone watercrafts, or even uncrewed surface motor vehicles (USVs). Exactly how are they shaping the battle at sea?