БК-16
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Ukrainian drone strikes Russian support vessel Nefrit in port of Sochi
A Ukrainian unmanned surface vessel struck the Russian-flagged multipurpose support ship Nefrit in the port of Sochi on 3 September, causing an explosion and a column of smoke. Ukraine's Naval Forces said the vessel serviced Russian oil and gas operations and described the strike as a blow to the enemy's logistics and military-economic infrastructure.
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Ukraine strikes Moscow region and Sochi port in overnight drone and unmanned-boat salvo
Overnight on September 2–3, Russia said its air defenses intercepted 416 drones launched across multiple regions, while uncrewed surface vessels struck the port of Sochi. Ukraine's Naval Forces confirmed the Russian ship Nefrit was hit in Sochi, and a separate strike was reported on a Russian BK-16 boat in occupied Sevastopol. Drone impacts were reported in the Moscow region, including an apartment building in Kubinka located near a military airbase.