.WHEN RUSSIA invaded in February 2022 Ukraine scarcely possessed a navy. The guardians scuttled their one frigate to stop Russia from seizing it. 2 years eventually Ukraine is straining to keep back a Russian onslaught on land-- yet it is actually succeeding the war in the Black Ocean and also has damaged the Russian blockade of its grain ships. Its triumphes have typically relied on rapid technical technology: intermittent navy relies upon crewed ships to overcome, however Ukraine has developed a squadron of drone boats, or uncrewed surface autos (USVs). Exactly how are they forming the war at sea?