First-ever battle between two autonomous naval drones 'won' by Ukraine — thanks to a salvo from a remote weapon turret

Unmanned Navy-operated drone boat
(Image credit: TWZ)

  • Ukraine says its Sargan-3000 drone boat destroyed a Russian counterpart using machine gun fire
  • The reported clash involved two unmanned boats fighting directly at sea
  • No video has emerged showing the reported destruction of the Russian craft

Ukraine's Navy has announced that a Sargan-3000 drone boat destroyed an armed Russian counterpart somewhere in the waters of the Black Sea.

Kyiv describes the encounter as the first occasion on which two robotic warships have fought each other directly at sea.

That assertion rests entirely on the Ukrainian account, since no independent party has so far confirmed the situation.

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Machine gun fire instead of a warhead

According to the announcement, operatives from Kyiv's military intelligence agency, HUR, located the Russian craft before naval crews steered their vessel toward it.

The kill was reportedly achieved with a Protector RWS, a remotely operated turret armed with a 12.7mm weapon rather than explosives.

Until now, most sea drone attacks have relied on ramming an enemy hull with a warhead aboard, thereby destroying the attacking platform.

Small calibre armament suggests an attempt to preserve the attacking platform for further missions instead of expending it in a single strike.

The Protector RWS is a Kongsberg-designed system already used by several NATO militaries, mounted on ground vehicles as well as small craft.

The Ukrainian Navy did not reveal the date, precise location, or any identification of the Russian vessel involved in the incident.

Neither side has published video of the moment of destruction, which is unusual given how heavily both armies publicise drone footage.

A record built on Ukrainian accounts

Sargan-3000 boats already carry a reputation in this war, having sunk Izumrud, a Russian patrol ship operated by border guards, near Gelendzhik.

That attack took place in July 2026 and joined a list of fleet units hit since the war in Ukraine started in 2022.

Earlier operations of the same style destroyed Ivanovets, a missile corvette, and Caesar Kunikov, which served as a landing ship.

Those losses contributed to a redeployment that moved naval assets from Crimea eastward to Novorossiysk, a change Moscow has never publicly explained.

In May 2025, Kyiv also reported that a sea drone destroyed a Su-30, a Russian fighter jet, using a missile built for air combat.

That claim, like the current one, arrived without imagery detailed enough for external analysts to verify the sequence of events independently.

Moscow has been developing comparable technology, including a KAMA-type uncrewed boat built by ZALA, a manufacturer based in Izhevsk.

Ukrainian forces destroyed one such craft close to Snake Island on September 8, 2026, using an explosive released from a drone flying overhead.

The difference between those two episodes is what allows Kyiv to describe the latest clash as something genuinely without precedent.

At the moment, verification remains weak because a gun engagement between small boats produces little wreckage and almost no witnesses on open water.

Until footage or a Russian acknowledgement appears online, the historic label attached to this fight should be treated as a claim rather than settled fact.

Via Defence Blog


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Efosa Udinmwen
Freelance Journalist

Efosa has been writing about technology for over 7 years, initially driven by curiosity but now fueled by a strong passion for the field. He holds both a Master's and a PhD in sciences, which provided him with a solid foundation in analytical thinking.

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