Royal Navy Nuclear Submarine Surfaced Next To Russian Spy Ship To Send A Clear Message

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The United Kingdom has confirmed that one of its Royal Navy nuclear-powered submarines surfaced close to the Yantar, a notorious Russian spy ship late last year, to make it clear it was being observed. The revelation came as the Royal Navy was once again closely tracking the Russian ship after it returned to British waters. According to the U.K. defense secretary, the Yantar has, in recent months, been “mapping the U.K.’s critical underwater infrastructure,” at a time when NATO, in general, is increasingly concerned about apparent sabotage to undersea cables.

The Yantar was sailing in British waters in November last year, during which time U.K. Defense Secretary John Healey said it had been “detected loitering over U.K. critical undersea infrastructure.”

The Yantar transits through the English Channel during an earlier visit to these waters, in 2018. Crown Copyright LPhot Dan Rosenbaum

Interestingly, Healey disclosed that a Royal Navy submarine was among the assets tasked with shadowing the Yantar when it was in British waters back in November. The defense secretary said that warships and patrol aircraft were also involved in tracking the Russian vessel.

At one point, the submarine surfaced close to the Yantar “to make clear that we had been covertly monitoring its every move,” he said.

The submarine wasn’t named but will have been one of the five currently active Astute class attack submarines.

A Royal Navy Astute class nuclear-powered attack submarine. Crown Copyright www.twz.com

The Russian vessel then moved into Irish waters east of Dublin, sparking worries that it might be conducting espionage on critical energy and internet submarine pipelines and cables running between the United Kingdom and Ireland. The spy ship was later escorted out of the Irish Sea.

It’s rare for the U.K. government to release any kind of information about the activities of its nuclear-powered submarine fleet, especially regarding such sensitive surveillance missions. In this case, the information was likely made public to dissuade Russia from further espionage directed against critical underwater infrastructure.

The tactic may have been effective anyway, with Healey saying that, during its latest venture into British waters, this week, the Yantar didn’t remain on station for any longer period and was closely escorted throughout its journey by the Type 23 frigate HMS Somerset and the River class offshore patrol vessel HMS Tyne.

A library image shows three River class patrol vessels, led by HMS Tyne (foreground) exercising off the coast of Cornwall, England. Crown Copyright
LA(Phot) Al Macleod

According to the Royal Navy, Somerset “covertly launched her Merlin helicopter, which used its powerful sensors to locate the Russian ship as it made its way north towards the English Channel.” The Type 23 frigate then closed in on the Yantar’s location and intercepted it at the entrance to the Channel, off the French coast.

Somerset used her cutting-edge radars and sensors to report on every move during the operation, as she maintained a close distance to Yantar through the Channel and the Strait of Dover,” the Navy added.

HMS Somerset (foreground) tracks the movements of a suspected Russian spy ship (Yantar). Royal Navy warships tracked a suspected Russian spy ship as it sailed through waters close to the UK. Yantar, believed to be used by the Russian Navy for intelligence gathering, was shadowed by HMS Somerset and HMS Tyne. Somerset covertly launched her Merlin helicopter, which used its powerful sensors to locate the Russian ship as it made its way north towards the English Channel. The Type 23 frigate closed in on Yantar’s location and intercepted it in the entrance to the Channel – south of the traffic separation scheme at Ushant, near France. The Plymouth-based warship took over monitoring duties from NATO allies after they shadowed Yantar in waters close to France. Somerset used her cutting-edge radars and sensors to report on every move during the operation, as she maintained a close distance to Yantar through the Channel and the Strait of Dover. Patrol ship Tyne was also monitoring the Yantar – last in waters around the UK in November when its activities were monitored by several Royal Navy units.
HMS Somerset (foreground) tracks the movements of a Russian spy ship Yantar this week, in waters close to the United Kingdom. Crown Copyright Crown Copyright

Tracking the Yantar is not necessarily a difficult job, since its position is typically broadcast at regular intervals using the automatic identification system (AIS), an automatic tracking system that uses transceivers on ships. This data is then also published by online ship tracking services.

Russian 'research' vessel Yantar was interdicted and warned by a UK submarine as she was loitering over subsea infrastructure, today. Also shadowed by surface units.Her last AIS-position is from 23h ago, see map. (Erroneously called 'UK waters' by FT, it is Belgian EEZ, international waters.)

auonsson (@auonsson.bsky.social) 2025-01-22T20:52:46.816Z

U.K. Defense Secretary John Healey told the British parliament yesterday that the Yantar entered U.K. waters on Monday and was then monitored by the Royal Navy.

HMS Somerset shadows the Russian spy ship Yantar in the English Channel this week. Crown Copyright Royal Navy

Healey went on to accuse Russia of threatening European security by targeting undersea infrastructure carrying oil, gas, electricity, and the internet. “We see you. We know what you’re doing,” he told members of parliament.

Healey added that the Yantar was first picked up on Monday when it was 45 miles off the British coast, inside the U.K.’s exclusive economic zone (EEZ).

Watching every move…#RoyalNavy warships @HMSSomerset and @HMSTyne are currently monitoring suspected Russian spy ship Yantar as it sails close to the UK.

It comes after a recent operation in which a #814NAS Merlin and @RFATidesurge tracked a Russian submarine and frigate.

— Royal Navy (@RoyalNavy) January 22, 2025

“Let me be clear, this is a Russian spy ship,” Healey said.

Officially, the Yantar is a Project 22010 “oceanographic research vessel,” but it has specialized equipment that can reportedly tap or cut submarine cables and investigate and retrieve objects from depths of up to 18,000 feet. It is part of the Russian Defense Ministry fleet, being operated by the Main Directorate Deep-Sea Research, which works on behalf of the Russian Navy, and other agencies.

The Yantar was involved in a high-profile operation in 2017 when it sailed off the coast of Syria to recover the wreckage of two fighter jets, a Su-33, and a MiG-29KR, that crashed into the Mediterranean Sea during operations from Russia’s aircraft carrier Admiral Kuznetsov.

The following year, 2018, the U.K. Royal Navy again escorted the Yantar through the English Channel as it headed into the North Sea. At this time, it was carrying a Saab SeaEye Tiger deep-sea robot on its deck. Russia acquired this underwater drone after the Kursk submarine disaster. It can reach depths of 3,280 feet. On this occasion, the U.K. Royal Navy sent the Type 45 destroyer HMS Diamond plus a Wildcat helicopter to follow the Russian ship.

HMS Diamond (foreground) shadows the Russian spy ship as it passes through the English Channel in 2018. Crown Copyright

More recently, the Yantar was reported in the Mediterranean, where it was assumed to be involved in searching and potentially salvaging the wreck of the Russian cargo vessel MV Ursa Major, which sank after an apparent explosion in its engine room in late December.

🚨📸 Overview in the 🌊Alboran Sea on 16 January: the 🇷🇺Russian research vessel Yantar with the 🇺🇸American DDGH Paul Ignatius, then the 🇺🇸Ignatius with the 🇪🇸Spanish PSO Tornado.
With #NATO forces in the 🌊Mediterranean, the 🇷🇺Yantar passing Gibraltar illustrates that the… pic.twitter.com/h6fC64rKkB

— Russian Forces Spotter (@TiaFarris10) January 20, 2025

The scale of the presumed threat to underwater infrastructure posed by Russian and Russian-inspired actors cannot be understated.

In the Baltic Sea alone, cables have been damaged on three times occasions, with all of them carrying at least some of the hallmarks of sabotage. In the most prominent event, on December 25, an oil tanker dragging its anchor, damaging a power cable running between Finland and Estonia. This led to NATO launching Baltic Sentry, a mission intended to ensure the security of critical undersea infrastructure in the region. As you can read about here, the mission now also involves Dutch F-35A stealth fighters and it will soon add at least 20 uncrewed surface vessels (USVs) in the coming weeks. This is in addition to surface vessels and maritime patrol aircraft.

Royal Netherlands Air Force (RNLAF) F-35s flying over the Dutch frigate HNLMS Tromp during the Baltic Sentry mission earlier this week. Dutch Ministry of Defense

The vessel responsible for the incident in the Baltic in December was the Eagle S, registered in the Cook Islands, but connected with Russia. The oil tanker was also revealed to be brimming with spy equipment after it was seized by authorities.

The suggestion that this incident was connected somehow to the Kremlin was also raised by Healey, who noted that “many analysts believe this was caused by a vessel in Russia’s shadow fleet.”

The potential risk to undersea infrastructure has long been understood, especially bearing in mind how hard it can be to defend it against nefarious action — and the degree to which nations rely on it to fulfill many of their critical needs.

“We are now seeing Russian underwater activity in the vicinity of undersea cables that I don’t believe we have ever seen,” U.S. Navy Rear Adm. Andrew Lennon, then serving as NATO’s top submarine officer, told The Washington Post back in December 2017. “Russia is clearly taking an interest in NATO and NATO nations’ undersea infrastructure.”

Meanwhile, there is now a wide acknowledgment that the Russian war in Ukraine — and the heightened East-West tensions as a result — are driving up the scale of this risk. With that in mind, spy ships like the Yantar are sure to be closely tracked by NATO assets whenever they are found operating in their waters.

Contact the author: thomas@thewarzone.com