The US has formally launched a review of its military presence in Europe, aiming to push allies to take greater responsibility for defence. While the move could accelerate Nato's Europeanisation, it could also create a dangerous “transition gap” before the continent's capabilities are ready.

The United States is reviewing its military presence in Europe. This analysis aims to ensure Europe takes primary responsibility for its defense. US Defense Secretary Pete…

This will be a real review, designed to ensure that NATO is moving fast and irreversibly toward Europe taking primary responsibility for its conventional defense, Under Secretary…