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Belgium’s Frigate Louise-Marie Embarks on NATO Mission in Baltic and High North.
On the afternoon of February 17, 2025, Belgium’s frigate, Louise-Marie, departed from Zeebruges for a two-month mission under NATO’s command. The vessel is set to sail towards the High North to carry out critical tasks, including the protection of underwater infrastructure as part of the Baltic Sentry operation, and participation in the Joint Viking exercise near the Russian border. This mission marks the first under the leadership of Captain Jan Gacas, who assumed command of the Louise-Marie in December 2024.

The frigate will navigate the Baltic Sea, heading towards areas close to the Russian border. (Picture source: Belgian MoD)
The frigate will navigate the Baltic Sea, heading towards areas close to the Russian border. Its integration into NATO's Standing NATO Maritime Group 1 (SNMG1), a permanent naval force within the Alliance, underscores Belgium's vital role in ensuring regional stability. The SNMG1’s mission includes responding rapidly to threats, ensuring maritime security, and contributing to NATO’s broader defense strategy.
"The crew of the Louise-Marie is exceptionally prepared and eager to take part in this mission in the Baltic, where the ship will support our NATO allies in fostering greater stability and security worldwide," stated Admiral Tanguy Botman, Commander of the Belgian Navy.
Louise-Marie’s deployment will revolve around two major operations. First, Baltic Sentry focuses on safeguarding critical underwater infrastructure in the Baltic Sea. This operation was launched following the damage to underwater cables between Finland and Estonia in late 2024, highlighting the vulnerability of the region’s strategic networks.
"Protecting critical infrastructure, such as gas pipelines, underwater cables, and other vital networks, is paramount," emphasized Captain Gacas. "Much of this infrastructure is situated in international waters, and our role is to ensure a visible and deterrent presence in these areas. Our presence is essential for a rapid response if necessary."
Following Baltic Sentry, the Louise-Marie will participate in Joint Viking, a large-scale exercise involving NATO forces near the Russian border. This exercise aims to enhance interoperability among allied forces and to reinforce NATO’s deterrence posture amid rising tensions.
The vessel's deployment to the High North is no coincidence. This region, bordering Russia, plays a critical role in the security of maritime routes and Europe’s energy supply.
Through the deployment of the Louise-Marie, Belgium reaffirms its commitment to its NATO allies and its determination to actively contribute to ensuring security and stability in Europe and beyond.