Trump throws NATO allies into turmoil: Is this the end of American military supremacy in Europe?

A political earthquake is rumbling through NATO as German Chancellor Friedrich Merz vows to build Europe’s “strongest conventional army,” declaring “Germany is back.” But the real shock came when Trump-aligned voices signalled support for a German Supreme Allied Commander — a move that would upend decades of U.S.-led military leadership. With Berlin accelerating defence spending and Washington demanding Europe take on more burden, the alliance is entering uncharted territory. Is this a new era of German military revival — or the start of a fierce power struggle within NATO?