Britain and France, Europe's only nuclear powers, have opened discussions with Germany and Sweden on how to construct a continental nuclear deterrent that could at least approximate the American one. The talks represent an acknowledgment that President Trump's repeated threats to abandon NATO have made the U.S. nuclear umbrella, long considered the bedrock of European security, less reliable than at any point since the Cold War, The New York Times reported.
France has announced plans to expand its nuclear stockpile, while Britain intends to rebuild an air-based delivery capability by developing nuclear-capable bombers to complement its submarine fleet. But both arsenals have significant limitations. The British nuclear deterrent relies on American technology, creating a dependency that undercuts the very independence Europe is trying to achieve. France's arsenal, meanwhile, is designed to protect French national interests as defined by its president — not to serve as a collective European shield.
Trump has said repeatedly that he would maintain the nuclear umbrella over Europe even as he questions the rest of NATO's value. Trump administration officials have suggested a division of labor in which Europe handles conventional defense while Washington keeps the nuclear guarantee. But European leaders have grown skeptical of verbal assurances that contradict the broader pattern of disengagement. Ivo Daalder, a former American ambassador to NATO, said Europeans may still hope the United States would come to their defense, but they can no longer count on it.
The nuclear dimension makes Europe's security challenge fundamentally different from the conventional one. Studies have shown that Europeans could realistically replace American conventional forces over time, with enough money and political will. But replicating a nuclear guarantee demands a different order of magnitude — not just money and political will, but technical capabilities Europe largely lacks. For now, the four-way talks between London, Paris, Berlin, and Stockholm have just begun, with no agreement yet on how a European nuclear umbrella would work or who would command it.
Earlier, "Hvylya" examined how deliberate ambiguity could replace binding treaties in a new arms control framework.