Europe’s defense ambitions face a political reality check

The 2026 Munich Security Conference, held last weekend, was marked by a striking shift in tone. European leaders spoke less about partnership and more about responsibility. The message, implicit but unmistakable, was that the era of automatic American primacy in European security is over. As Washington continues to concentrate strategic attention on the Indo-Pacific, Europe is being asked to assume a far greater share of its own defense burden.

In response, proposals for a European army have resurfaced with renewed intensity. Advocates argue that a continent with more than 400 million people, a vast industrial base and a combined economy comparable to that of the US should not depend indefinitely on external security guarantees. Strategic autonomy, they contend, requires institutional expression.

The aspiration is understandable. The practicality is another matter.

The fundamental obstacle to a supranational European army is not financial capacity. It is political authority. Armed force is the most consequential tool of statecraft. It determines questions of war and peace, life and death. In every democracy, the legitimacy of deploying troops derives from national political accountability. Voters must know who is responsible for sending soldiers into combat and must retain the power to remove those leaders from office.

The fundamental obstacle to a supranational European army is not financial capacity. It is political authority

Dr. Azeem Ibrahim

Transferring that authority to a supranational structure fundamentally alters the relationship between citizens and the state. Within the EU, defense policy would inevitably operate under the broader umbrella of the bloc’s foreign policy. Yet EU foreign policy remains structurally fragmented. It reflects competing national interests, different historical experiences and divergent strategic priorities. Consensus-driven decision-making often produces lowest common denominator outcomes. If foreign policy lacks cohesion, defense policy cannot be more coherent than the political framework guiding it.

Moreover, the EU was designed primarily as a peace project within Europe. Its institutions emphasize negotiation, compromise and incremental integration. That architecture has proven remarkably effective in preventing conflict among member states and in facilitating economic cooperation. It was not designed for high-intensity warfare or rapid military mobilization.

Effective military operations require speed of decision-making, unity of command and clarity of objectives. In the EU context, major foreign and security decisions often require unanimity or near-unanimity. In a fast-moving crisis, delay is not neutral. It is a strategic vulnerability. An army that must wait for prolonged diplomatic consensus before acting cannot function as a credible deterrent.

Democratic accountability presents an even more profound challenge. The ongoing war in Ukraine has provided a stark reminder of what modern industrial warfare entails. Casualty figures on both sides have reached levels that would have been politically unthinkable in most European capitals only a decade ago. High-intensity conflict generates sustained losses, economic disruption and social strain.

European electorates are unlikely to tolerate large-scale casualties without direct and visible political responsibility at the national level. If decisions about deployments are perceived to be taken in distant institutions by officials who are not directly answerable to national voters, public trust will erode rapidly. Democratic consent cannot be assumed in wartime. It must be maintained through clear lines of accountability.

There is also the question of burden-sharing. In any serious conflict, some forces inevitably bear the heaviest fighting and absorb the greatest losses. No government would willingly volunteer its troops for disproportionate front-line exposure. Each capital would seek to justify its own risk calculations to its domestic audience. Assigning combat roles through a supranational command structure would not eliminate national politics, it would intensify them.

Strategic culture further complicates the picture. European states do not share a uniform perception of threat. For some, particularly in Eastern Europe, deterring Russian aggression is the overriding priority. For others, instability in North Africa, migration flows and Mediterranean security dominate the agenda. Some governments remain cautious about military intervention under almost any circumstances, shaped by historical memory and domestic political norms.

These differences are not superficial disagreements. They reflect deep-rooted geopolitical realities and political traditions. Creating a unified army requires more than pooled budgets and joint procurement. It requires convergence on when and why force should be used. Europe has not yet reached that degree of strategic alignment.

The existence of NATO further shapes the debate. It already provides integrated command structures, intelligence sharing, interoperability standards and critical capabilities such as strategic airlift and missile defense. Many European militaries rely heavily on American enablers within this framework. Replicating those capabilities independently would require sustained investment and long-term political commitment.

An army that must wait for prolonged diplomatic consensus before acting cannot function as a credible deterrent

Dr. Azeem Ibrahim

If a European army were to operate alongside NATO, questions of duplication and coordination would arise immediately. If it were designed to operate independently, the capability gap would be significant for years. In either case, institutional complexity increases rather than decreases.

None of this suggests that Europe should remain dependent or passive. On the contrary, the call for greater European responsibility is justified. Defense spending across much of the continent has been insufficient for years. Industrial capacity needs strengthening. Readiness levels must improve. Interoperability should deepen. European states must build the capabilities necessary to defend their own territories and contribute meaningfully to collective deterrence.

However, these objectives do not require the creation of a supranational army. They require political will at the national level and closer cooperation within existing alliance structures. Strategic autonomy is not achieved through symbolic institutional innovation. It is achieved through credible capability, disciplined investment and sustained public support.

The debate at Munich reflected genuine anxiety about a changing international order. The US is recalibrating its global posture. Russia has demonstrated its willingness to use force. China’s rise is reshaping global competition. Europe cannot assume that past security arrangements will automatically endure.

Yet ambition must be grounded in political reality. Without a unified foreign policy, clear democratic accountability, shared threat perception and decisive command authority, a European army would risk becoming an expression of aspiration rather than an effective instrument of power.

For the foreseeable future, NATO remains the only comprehensive framework capable of delivering credible collective defense. The priority should not be to construct parallel structures that may fragment effort. It should be to strengthen the alliance, deepen Europe’s contribution within it and ensure that deterrence remains real.

Europe’s security future depends less on institutional reinvention and more on political cohesion. Until that cohesion exists, the vision of a supranational European army will remain far more compelling in conference halls than on the battlefield.

• Dr. Azeem Ibrahim is the director of special initiatives at the Newlines Institute for Strategy and Policy in Washington. X: @AzeemIbrahim