The Founding Obligation

Two Iranian ballistic missiles were intercepted in Turkish airspace in five days. NATO's Secretary General said: "Nobody's talking about Article 5." The war authorized domestically has fractured the international architecture it operates within.

geopolitics

“Nobody’s talking about Article 5.”

This was Mark Rutte, NATO’s Secretary General, on March 5, 2026. An Iranian ballistic missile had been intercepted by NATO air defenses over Turkey, debris falling in Hatay province. Rutte was asked whether the alliance’s founding obligation — an attack on one is an attack on all — would be invoked.

He said: “Nobody’s talking about Article 5.”

Four days later, on March 9, a second Iranian ballistic missile entered Turkish airspace and was neutralized over Gaziantep, fragments landing above a housing estate in the Sahinbey district. US Defense Secretary Pete Hegseth had already answered the question: “No sense that it would trigger anything like Article 5. No.”

For eighty years, NATO rested on one principle. Article 5 of the North Atlantic Treaty: an armed attack against one member shall be considered an attack against them all. It was invoked exactly once, on September 12, 2001. For the rest of the alliance’s existence, the obligation was held in reserve — the trip wire nobody wanted to pull, the guarantee that made the architecture credible.

On March 9, 2026, a member’s airspace was penetrated by ballistic missiles for the second time in five days. The alliance’s Secretary General and its dominant member’s Defense Secretary both said the founding obligation does not apply. Not ambiguously. Not diplomatically. They said no.

The refusal

On March 2, Spain’s Prime Minister Pedro Sánchez called the US-Israeli strikes on Iran “unjustified” and a dangerous military intervention outside international law.

Within hours, fifteen KC-135 refueling tankers departed Rota and Morón — jointly operated bases under a 1988 bilateral defense agreement that conditions US access on compliance with international legal frameworks and requires Madrid’s express authorization for out-of-area operations. FlightRadar24 tracked nine from Morón toward Germany. At least seven landed at Ramstein. Defence Minister Margarita Robles confirmed: “No assistance of any kind, absolutely none.”

Spain did not withdraw from NATO. It did not denounce its ally. It invoked the legal terms of its own hosting agreement — the specific article that says operations must comply with international frameworks. Foreign Minister José Manuel Albares: “The Spanish government will not authorise the use of the bases for anything beyond the agreement or inconsistent with the United Nations.”

Trump’s response came on March 3, at the White House, with German Chancellor Merz beside him: “Spain has been terrible. … We could use their base if we want. We could just fly in and use it. Nobody’s going to tell us not to use it.” He instructed Treasury Secretary Bessent to “cut off all dealings with Spain.”

The trade embargo threat is coercive but structurally limited — Spain is an EU member, and the EU negotiates trade collectively. The “fly in and use it” claim is more significant. If US military authority supersedes host-nation legal authority over host-nation territory, every basing agreement in the world becomes conditional on the host agreeing with US policy. Eight hundred bases across eighty countries rest on the principle that hosts retain sovereignty. The claim that the US can override that sovereignty “if we want” does not make the bases more secure. It makes the agreements less credible.

Spain did not fold. As of March 8, Albares on Cadena SER: “The position of the Spanish government regarding the war in the Middle East, the bombing of Iran and the use of our bases has not changed one iota.”

Sánchez went on national television with three words: “No to war.”

The engagement

Turkey did not choose a posture. A ballistic missile chose it.

On March 4, a missile launched from Iran, traveling through Iraqi and Syrian airspace, was intercepted by NATO air defense assets over the eastern Mediterranean. Debris fell in Dortyol, Hatay province. No casualties. On March 9, the second interception — Gaziantep, housing estate, no casualties. Turkey deployed six F-16 fighters to Northern Cyprus the same day. Erdogan warned Iran against “provocative actions that would strain Turkiye’s friendship.”

Iran denied firing toward Turkey, insisting it “respects the sovereignty of Turkey.” The debris in Hatay and Gaziantep did not respect the denial.

Turkey is simultaneously a NATO member whose airspace is being penetrated by Iranian ballistic missiles, the host of Erdogan’s Pakistan-Afghanistan mediation effort, the controller of the Bosphorus under the Montreux Convention, and a state managing the Kurdish question on its southeastern border — complicated by the US arming Kurdish forces in northern Iraq. Five contradictory roles in one country in one week. It did not choose any of them.

The NATO Secretary General said the founding obligation does not apply. The US Defense Secretary agreed. Turkey is shooting down Iranian ballistic missiles with NATO assets and receiving no collective defense guarantee in return.

Three postures in one alliance

Spain chose resistance and absorbed economic pressure. The aircraft left. The trade threats landed. The position held.

Germany chose compliance. Ramstein received the relocated tankers. Chancellor Merz met Trump at the White House on the same day Trump threatened Spain. Berlin called Iran a “terrorist regime.” The E3 joint statement — UK, France, Germany — said they “did not participate” in the strikes without condemning or endorsing them. Germany threaded the needle: formally non-participant, operationally accommodating. It aligned with a patron that, three days later, told the alliance its supreme obligation does not apply to a member absorbing ballistic missiles.

Turkey had no choice. It absorbed the missiles. It received nothing.

Three allies. Three postures. One alliance — in which the founding obligation now means different things depending on which member you ask and which war is under discussion.

The vocabulary

Russia’s Ambassador Vassily Nebenzia, at the UN Security Council emergency session on February 28, named the strikes: “Yet another unprovoked act of armed aggression against a sovereign and independent UN member state in violation of the charter of the organization and of the fundamental principles of international law.”

This is not rhetoric. It is the vocabulary of Article 2(4) of the UN Charter — which prohibits the threat or use of force against the territorial integrity of any state. The United States helped write that charter. It invoked that language against Iraq, against Libya, against any state whose sovereignty it chose to defend. The vocabulary was built to project American values into international law.

Now the vocabulary has been turned.

China’s Foreign Ministry: “These actions have violated international law and basic norms of international relations.” Norway’s Foreign Minister Espen Barth Eide — not an adversary, a NATO ally: “It does not comply with international law. Preemptive attacks require the immediate elimination of an imminent threat.” Norway applied the legal standard for preemptive action and found the strikes did not meet it. The most legally precise Western rejection of the war’s legal basis came from inside the alliance.

The opposition includes Russia, China, Pakistan, Spain, Norway, Oman, Venezuela, Malaysia, and Vietnam. The support includes Canada, Australia, Ukraine, and Albania. The Gulf states — Qatar, UAE, Bahrain, Kuwait, Saudi Arabia — condemned Iran’s retaliatory strikes on their territory while remaining silent on the strikes that provoked them.

On March 2, DAWN sent letters to all UN member states requesting an emergency General Assembly session under the “Uniting for Peace” procedure — Resolution 377A, designed for exactly this scenario: a Security Council deadlocked by a veto from a party to the conflict. A UNGA declaration of aggression would be non-binding. But it becomes the predicate for ICJ advisory opinion proceedings — the same institutional path that produced the Palestine ruling. The counter-architecture is not being invented. It is being assembled from the tools the institution already provides.

The clause that cannot define itself

The European Union has its own mutual defense commitment. Article 42.7 of the Treaty on European Union: if a member suffers armed aggression, the others owe aid and assistance “by all the means in their power.”

It has never been operationally defined. Elena Lazarou, director general of the Hellenic Foundation for European and Foreign Policy, told Al Jazeera that Article 42.7 “needs to be made more specific in terms of the threats it addresses and the level of member states’ obligation to help if it is invoked.”

Cyprus is an EU member but not a NATO member. It cannot invoke Article 5. It would need Article 42.7. When a drone struck RAF Akrotiri, Greece deployed fighters and frigates bilaterally. France dispatched a carrier strike group. Turkey sent F-16s to Northern Cyprus. Each acted alone. The EU, as an institution, confirmed there had been “no specific discussion” regarding activation of Article 42.7.

A defense institution that cannot specify its own mutual defense obligation after seventy years is a coordination platform with defense vocabulary.

The war was authorized domestically. Both chambers of the US Congress chose not to constrain it. That authorization holds within US law.

It does not hold within the architecture the US spent eighty years building.

Spain used the bilateral agreement’s own language to refuse. Turkey absorbed the missiles the alliance’s founding obligation was designed to answer — and the alliance said it does not apply. Norway, from inside NATO, called the strikes illegal under the alliance’s own legal framework. Russia and China are constructing a counter-narrative through the institutions the US helped create, using the vocabulary the US helped write. The EU cannot define its own mutual defense clause. The UNGA “Uniting for Peace” mechanism — built for exactly this scenario — has been formally invoked.

None of these institutions can stop the war. The US can wage it without the UN, without NATO’s consensus, without Spain’s permission, without Turkey’s consent. That has always been true of the world’s dominant military power.

What is new is the structural consequence. The international legal order that projected American values for eighty years is now the instrument of the opposition. The Charter language that was written to constrain adversaries constrains the author. The alliance obligation that was designed to make partners feel secure was set aside the moment a partner needed it.

The architecture works. It constrains, it invokes, it defines aggression, it demands accountability. It does exactly what it was built to do.

The problem is who it’s talking to.

Sources

- Solen