A European Security Council:
Building the Power to Decide and Act

Europe may finally be constructing the missing link between shared danger, political decision and coordinated response.

 

Europe has spent years discussing the forces, weapons and industrial capacity it needs to defend itself. It may now be preparing something just as important: the political machinery needed to decide and act together.

In her State of the Union address on 16 September, European Commission President Ursula von der Leyen said the Commission would present ideas for making a European Security Council a reality. The envisaged leaders' format would reach beyond the European Union, involving partners such as Ukraine, the United Kingdom, Norway and Canada. It would sit alongside proposals for an emergency security protocol against hybrid threats and a new European instrument for strategic enablers.

None of this is settled. Membership, authority, leadership and decision rules remain to be designed. Yet the direction deserves enthusiasm. Europe is no longer thinking only about what it must possess. It is beginning to consider how it can recognise danger, decide and organise a response as a security power.

The missing power to decide

Europe does not lack forums for consultation.
EU leaders meet in the European Council. Ministers coordinate through the Council of the EU. NATO provides collective defence and military planning. The European Political Community brings almost the whole continent together.

What Europe still lacks is a permanent, focused link between these worlds: a place where the most relevant leaders can develop a shared assessment, decide what should happen next and connect that decision to the institutions and countries capable of carrying it out.

That is the difference a European Security Council could bring us now. Its purpose to shorten the distance between warning and decision. When sabotage, cyberattacks, drone incursions or military escalation occur, ofcourse Europe needs to do better than twenty-seven parallel national conversations followed by a carefully negotiated statement. It needs a trusted mechanism able to establish political direction quickly.

From decision to action

And then, decision-making alone is not enough. Europe must also be able to translate a political decision into an organised response.

That response can be military, but not always.
It may involve sanctions, cyber defence, the protection of critical infrastructure, coordinated attribution of an attack, restrictions on hostile networks, the mobilisation of strategic reserves or accelerated defence production. And, in more serious circumstances, it may require air and missile defence, military transport, intelligence support or action by a coalition of willing countries.

The wider package announced by the Commission’s President von der Leyen is therefore crucially important. The proposed counter-hybrid playbook could provide procedures for threats that remain below the threshold of open war. The new instrument for strategic enablers could support assets such as air and missile defence, space systems, cyber capabilities, transport and air-to-air refuelling. A Security Council could supply the political decision at the top of this chain.

The emerging logic is simple: shared assessment, rapid decision, agreed response and identifiable responsibility for implementation. If Europe can connect those elements, it will have – finally - begun to build operational decision-making and response power.

With Ukraine inside the room

Ukraine's proposed inclusion is perhaps the most consequential feature.
Europe would no longer organise security only for Ukraine or provide assistance to Ukraine from outside. It would begin organising European security with Ukraine.

As we know, Ukraine possesses experience that no EU institution can reproduce: large-scale drone warfare, air defence under continuous pressure, cyber resistance, infrastructure protection, rapid military innovation and the mobilisation of society and industry during war. That makes Ukraine not simply a recipient of European security, but a producer of security knowledge and capability.

Permanent participation would also give practical meaning to the accepted principle that decisions about Ukraine cannot be made without Ukraine. Kyiv should therefore be involved in designing the Council, not invited only after its structure has been agreed by others.

A wider European security community

Including the United Kingdom would be equally important. Brexit removed one of Europe's strongest military and intelligence powers from EU decision-making, but it did not remove Britain from European geography or European security. A Security Council could restore permanent strategic coordination without reopening the institutional argument over EU membership.

Norway would bring Arctic, energy and NATO importance. Canada would add military, industrial and transatlantic weight while reinforcing a community of democratic partners able to take its own political initiatives.

This broader membership would define European security by strategic contribution rather than EU membership alone. The Union would remain the central organising force, but it would create a structure capable of drawing essential allied countries into continuous political coordination.

Strengthening NATO rather than duplicating it

The proposal must be designed to strengthen NATO, not compete with it. NATO remains the foundation of collective defence for its members and possesses the military command structure that the European Union does not. A European Security Council should not now attempt to become an alternative North Atlantic Council or operational headquarters.

Its contribution would be different. It should just improve Europe's needed political capacity to assess threats, mobilise EU instruments, coordinate participating governments and prepare European positions before action within NATO. A more coherent European pillar makes the alliance stronger as European countries achieve more capabilities, apply clearer priorities and develop a greater readiness to carry responsibility.

The difficult design now begins

The obstacles are still substantial.
A council containing every EU leader plus external partners will be too large for rapid crisis management. A smaller council will immediately raise questions about permanent seats, rotating representation and the voice of smaller member states. France, Germany, Poland, Italy and the Nordic and Baltic countries will not all view the ideal structure in the same way.

Leadership will also matter.
The Commission president launched the proposal, but foreign and defence policy remains largely in the hands of national governments. The European Council president and the High Representative will expect important roles. Clear arrangements will be needed to prevent institutional competition from consuming the energy created by the initiative.

Above all, the Council must be connected to implementation.
Regular meetings of national security advisers, shared threat assessments, emergency convening procedures and systematic follow-up will be necessary. Without a supporting machinery, the Council risks becoming another impressive summit followed by uncertain delivery.

These challenges show what must now be designed and agreed.
An informal, intergovernmental beginning may be more realistic and probable than immediate treaty change: a limited leaders' group, permanent participation by Ukraine and the United Kingdom, preparation by security advisers and the ability to convene rapidly.
It can develop through actual operational use before Europe formalises it further.

Europe is watching

The announcement has created a moment of expectation.
European Citizens understand that defence spending and new equipment are necessary. They also understand and worry that capabilities remain fragmented and politically weak unless Europe can decide when, why and how to employ them.

The Commission must now turn an important and attractive idea into a credible design.
Member states must decide whether they are prepared to create a mechanism that can genuinely accelerate common action. Ukraine, the United Kingdom and the other proposed partners must be treated as co-designers of a shared security structure, not as occasional guests.

Agreement will take time, and operational effectiveness will take longer. But the direction is hopeful. Europe may finally be moving from consultation as an end in itself towards consultation as the beginning of action.

All eyes should now be on the Commission's next proposal.
Europe has long known that it needs greater power. It may at last now be preparing the machinery needed to decide and act.

References

[1] European Commission, State of the Union 2026: Statement by President Ursula von der Leyen on security and defence, 16 September 2026. https://acceptance.audiovisual.ec.europa.eu/de/media/video/I-293062

[2] Reuters, 'EU's von der Leyen backs European Security Council and playbook against sabotage,' 16 September 2026. https://www.reuters.com/world/americas/eus-von-der-leyen-backs-european-security-council-playbook-against-sabotage-2026-09-16/

[3] European Council, Conclusions on Ukraine and on European defence and security, 18 June 2026. https://www.consilium.europa.eu/en/press/press-releases/2026/06/18/european-council-conclusions-on-ukraine-and-on-european-defence-and-security/