.WHEN RUSSIA attacked in February 2022 Ukraine hardly possessed a navy. The guardians scuttled their one frigate to stop Russia from seizing it. Two years later on Ukraine is straining to hold back a Russian offensive on land-- yet it is gaining the war Ocean as well as has actually broken the Russian blockade of its grain ships. Its own victories have typically relied on quick technological development: every other navy depends on crewed ships to overcome, yet Ukraine has developed a fleet of drone watercrafts, or uncrewed surface automobiles (USVs). Just how are they shaping the war at sea?