The operation, dubbed Nordic Warden, uses sensor data do determine when shady vessels in the Baltic Sea approach areas of interest.

The Joint Expeditionary Force (JEF) has initiated a sophisticated command system designed to surveil underwater infrastructure threats and keep tabs on Russia's covert maritime assets. This move comes in the wake of reported disruptions to a critical subsea cable in the Baltic Sea region.

In addition, a U.K.-led 10-member consortium of northern European nations called the Joint Expeditionary Force (JEF) has reactivated an AI-based system to track suspicious ships in these waters. The actions are a response to the suspected deliberate severing on Christmas Day of the Estlink 2 undersea power cable and four undersea communications cables between Finland and Estonia,

General Mark Rutte says the military alliance will step up patrols in the Baltic Sea area as Finnish investigators work to establish whether a ship linked to Russia sabotaged undersea cables there this week.

NATO is deploying approximately 10 ships to protect underwater infrastructure in the Baltic Sea. The first of these ships is expected to arrive by the end of the week, and the operation will continue until April.