.WHEN RUSSIA attacked in February 2022 Ukraine hardly had a naval force. The protectors scuttled their one frigate to avoid Russia coming from appropriating it. 2 years later on Ukraine is actually battling to hold back a Russian offensive on land-- yet it is succeeding the war in the Black Sea as well as has damaged the Russian blockade of its surface ships. Its own success have actually usually depended on fast technical development: every other navy relies on crewed ships to eliminate, yet Ukraine has actually created a squadron of drone boats, or even uncrewed surface area motor vehicles (USVs). Just how are they forming the battle at sea?