General Martin Herem, former head of Estonia’s defence forces, has speculated that NATO could blockade the Baltic. However, given that this would amount to a declaration of war, NATO has opted for a less confrontational approach: surveillance.

A senior Russian official has said that Moscow will counter any moves by Western military alliance NATO to dominate the Baltic Sea. Deputy Foreign Minister Alexander Grushko told the Russian television channel Rossiya-24 on Friday that the Western alliance's decision to increase patrols around the Baltic was further proof of NATO's "desire to turn the Baltic Sea into a NATO lake.