The difficulties are frustrating Western officials trying to combat what they say is a hybrid war by Russia against ...

The alliance wants to ensure that it can monitor ship traffic near sea floor cables and other maritime infrastructure.

The new NATO naval drone initiative, known as Task Force X, is intended to prevent Russian aggression and sabotage.

The Baltic Sea faces increasing threats to its underwater infrastructure, prompting Nordic-Baltic nations to explore legal ...

The frequency of cable incidents in the Baltic Sea has been "exceptional" in recent years, but state actors have more ...

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WSJ unpacks the allegations of sabotage that have turned the Baltic Sea into the focal point of Moscow’s hybrid war with NATO. Photo Illustration: Louisa Naks Just after midnight on Dec. 26 ...

Attempted sabotage on the Baltic Sea island of Gotland might have targeted its water supply over the weekend, according to ...

The formal entry of Finland and Sweden into the North Atlantic Treaty Organization (NATO) over the past two years enhanced alliance security, but it also revealed a strategic myopia: demands that each ...

Latvia's defense minister says there's room for an even bigger NATO presence in his country. The remarks come as Russia ...

A succession of major incidents has raised alarm bells and called into question the security of pipelines that are ...

During an exercise with the Estonian Air Force, two RLAF F-35s employed AIM-9 Sidewinder air-to-air missiles to shoot down a ...