Admiral Rob Bauer, former NATO Military Committee Chairman, outlines how the alliance’s security approach evolved after Russia’s 2022 invasion of Ukraine.
NATO’s Historical Focus on Eastern Defense
For years, NATO primarily focused on the physical defense of its easternmost members. Eastern and Central European countries were described as frontline states, with the alliance’s main goal being to deter potential aggression through continuous military presence. As Admiral Rob Bauer recalls, the turning point was the 2016 NATO summit in Warsaw, which adopted the Enhanced Forward Presence initiative.
This initiative focused on the Baltic states and Poland, where other NATO countries deployed their troops, explains Bauer.
Limitations of Initial Approach
While this was an important political signal, in practice the solution had its limitations. Military contingents operated mainly through bilateral agreements without a single, unified command system. It wasn’t until Russia’s full-scale invasion of Ukraine in 2022 that NATO was forced to make much deeper changes in its approach.
Expanded Military Presence
The alliance not only increased troop numbers on its eastern flank but also extended their deployment to additional countries in the region. Bauer enumerates: “In Slovakia, the main role is now played by Spanish forces, in Romania by French forces, in Bulgaria by Italian forces. Americans are in Poland, while British, German and Canadian forces are in the Baltic states.”
Enhanced Credibility for Article 5
This presence model means that nearly every NATO member now has direct military involvement on the eastern flank. According to the former Chairman of the NATO Military Committee, this significantly strengthens the credibility of Article 5 of the North Atlantic Treaty. “If the Russians decided to attack any of these countries, it would be a real attack on the entire alliance,” he emphasizes.
Modern Threats Beyond Traditional Military Actions
At the same time, the war in Ukraine revealed that modern threats are not limited solely to traditional military actions.

