Trump’s War and the Question Every American Ally Is Asking: Are We Next?

The US-Israeli offensive against Iran has sent a chill through capitals around the world, not because they fear being targeted by the campaign but because they are trying to understand the rules — or absence of rules — that govern a conflict of this scale and ambition. President Donald Trump has demonstrated a willingness to authorize military action aimed at regime change without UN authorization, without congressional approval, and without meaningful consultation with allies. Every government watching this conflict is quietly asking: what does this mean for us?
The immediate concern of US allies in the Gulf is most acute. Kuwait, Qatar, Saudi Arabia, and Bahrain are all being struck by Iranian retaliatory missiles and drones. They host American military forces that are participating in the offensive. Their consent to that hosting arrangement has made them targets. Their governments are trying to maintain relationships with both Washington and Tehran, and the current conflict makes that impossible. The UK has deployed additional fighters to Qatar; it is simultaneously trying to define the limits of its own involvement.
The military operations generating this regional anxiety have been extraordinary. American B-2 stealth bombers have struck Iran’s buried ballistic missile infrastructure with dozens of 2,000-pound penetrating munitions. A large Iranian naval vessel has been hit and possibly sunk. Israel has issued mass evacuation orders in Lebanon covering over one million people. The defense secretary has promised a dramatic surge in US firepower. The IDF chief has promised new phases and undisclosed surprises.
European allies have been more vocal in their concern. France, Germany, Ireland, and others have condemned specific incidents, called for restraint, and expressed alarm at the direction of the conflict. The attack on the UN peacekeeping mission’s Ghanaian battalion in Lebanon drew particular European condemnation — France called it unacceptable, Ireland called it reckless. But European governments have been unable to translate their concern into effective pressure on either Washington or Jerusalem.
The broader question — what norms govern military force in Trump’s world — has no clear answer yet. Trump has demonstrated that the United States is willing to conduct regime-change campaigns against countries it classifies as threats, without formal international authorization and without the kind of broad coalition-building that characterized previous major US military interventions. For America’s allies and for those who depend on the international rules-based order for their security, that demonstration raises questions whose implications extend far beyond the current conflict in the Middle East.