UK and Norway led a military operation to deter Russian submarines in the North Atlantic

In an official announcement released Thursday, the United Kingdom’s military confirmed that British and Norwegian armed forces have wrapped up a more than month-long security operation in the North Atlantic, aimed at countering suspected malign Russian submarine activity near critical undersea infrastructure. The coordinated deployment, led by the two NATO allies, involved a British frigate, multiple surveillance aircraft, and hundreds of military personnel tasked with monitoring three Russian vessels: one attack submarine and two intelligence-gathering spy submarines operating in waters north of the UK. According to UK Defense Secretary John Healey, the show of allied force successfully achieved its core goal, with the Russian submarines ultimately departing the area after the sustained surveillance operation.

In a blunt public message directed at Moscow during the announcement, Healey emphasized that the UK and its allies maintain unwavering vigilance over key undersea cables and energy pipelines that underpin European energy security and digital connectivity. “We see your activity over our cables and our pipelines, and you should know that any attempt to damage them will not be tolerated and will have serious consequences,” Healey stated, underscoring the alliance’s commitment to protecting critical shared infrastructure in the North Atlantic.

Notably, the announcement comes as global attention remains overwhelmingly focused on ongoing armed conflict in the Middle East, a shift that UK officials have warned Russia seeks to exploit to advance its hostile activities in the Euro-Atlantic region. Healey explicitly rejected the idea of diverting focus from Russian aggression amid the Middle East crisis, telling reporters that “Putin would want us to be distracted by the Middle East, but Russia is the main threat to the U.K. and its allies. We will not take our distracted by the Middle East, but Russia is the main threat to the U.K. and its allies. We will not take our eyes off Putin.” UK officials have also repeatedly drawn connections between Russian activities in Europe and the Middle East, noting that Moscow has supplied Iran with drone components and other military support that bolsters Iran’s regional activities.

As of Thursday, representatives from Norway’s defense ministry, foreign ministry, and armed forces had not yet responded to requests for comment on the joint operation.

The latest North Atlantic operation aligns with the UK’s increasingly aggressive posture toward Russian activities violating international sanctions and European security amid Moscow’s full-scale invasion of Ukraine. Just two months prior, in late March, Healey announced that the UK military would expand its enforcement of Russian oil sanctions, moving beyond the previous role of supporting French and U.S. monitoring operations to actively intercept and seize vessels belonging to Russia’s shadow fleet of sanction-breaking oil tankers. “We are ready to take action” against these violating vessels, Healey confirmed at that time, signaling the UK’s commitment to ramping up pressure on Moscow across multiple domains.