As uncertainty intensifies regarding U.S. security guarantees in Europe, especially concerning NATO’s strength, European leaders are actively exploring choice defense strategies. The central concern stems from doubts about the U.S. commitment to the continent’s security, a cornerstone as NATO’s inception in 1949. With the potential return of Donald Trump to the White House, several European heads of state are openly questioning whether they can still rely on the United States for protection. This apprehension has spurred discussions and proposals aimed at independently bolstering Europe’s defense capabilities. Friedrich Merz, leader of Germany’s CDU, has ignited a significant debate with his suggestion of nuclear sharing among European powers.

the debate over European defense comes at a time of heightened geopolitical tension, with ongoing conflicts and shifting alliances reshaping the global security landscape. The question of whether Europe can, or should, develop a more independent defense posture is now at the forefront of political discourse.

Nuclear Sharing Proposal

Amidst growing concerns about transatlantic cooperation and the reliability of NATO, european nations are exploring ways to ensure their security. friedrich Merz has proposed a controversial solution: nuclear sharing with the United Kingdom and France. This proposal aims to address the perceived weakening of deterrence capabilities in the absence of guaranteed U.S. intervention.

Friedrich Merz Calls for Extended Nuclear Weapons Guarantee: CDU Leader’s Bold Strategy Beyond U.S. Borders
German soldiers participate in the Bundeswehr exercise “fast Eagle” in Barth,Germany. (Bernd Wuestneck/DPA via AP) Photo: AP/NTB

According to Politico, Merz urges:

We must have discussions with both the british and the French, the two European nuclear powers, whether nuclear sharing, or at least nuclear security from the UK and France, can also apply to us.

This proposal emerges as European politicians openly consider how to address potential nuclear threats without relying on American retaliation. The absence of the U.S. nuclear arsenal considerably weakens deterrence, potentially leaving Europe vulnerable. The concept of nuclear sharing is not new, but its resurgence in mainstream political discourse reflects a significant shift in European strategic thinking.

Europe to Defend Itself?

Several European countries, including Germany, Italy, the Netherlands, and Belgium, currently host U.S. nuclear weapons under NATO command. Though, the expectation that the United States will intervene in a crisis is waning. This has prompted a re-evaluation of Europe’s defense capabilities and a renewed focus on self-reliance.

Germany, which hosts both U.S. military bases and tactical nuclear weapons,faces increasing uncertainty about the long-term presence and potential use of these forces. Merz emphasized the need for Europe to take obligation for its own defense, stating to German broadcaster ZDF:

We must prepare for the possibility that Donald Trump will no longer maintain NATO’s mutual defense commitment unconditionally. That is why, in my view, it is crucial that Europeans make the greatest possible efforts to ensure that we are at least able to defend the European continent on our own.

This sentiment underscores a growing concern among European leaders that the traditional security architecture may no longer be sufficient to address emerging threats.

American Shift Away from Europe

The sentiment of a shifting American focus away from Europe is echoed by other German officials. Robert Habeck, Germany’s acting Minister of Finance, described the signals from the Trump governance as an ominous sign for europe. This perceived shift is not solely based on political rhetoric but also on observable trends in U.S. foreign policy and military deployments.

Friedrich Merz Calls for Extended Nuclear Weapons Guarantee: CDU Leader’s Bold Strategy Beyond U.S. Borders
USAs president Donald Trump Photo: Pool / AP / NTB

According to Reuters, Habeck warns:

We are in a historically unique situation now. The Americans not only leave Europe at peace but work against Europe.

Germany’s army, the Bundeswehr, is one of the largest in Europe, comprising 185,000 soldiers and approximately 80,000 civilian personnel. The evolving security landscape has prompted significant upgrades to German defense capabilities. These upgrades include investments in modern weaponry, enhanced training programs, and increased cooperation with other European militaries.

A Pivotal Moment for European Defense

Germany’s upcoming Chancellor believes Europe faces a critical juncture: rapidly develop a self-reliant defense capability or risk being unable to defend itself without traditional allies, a situation not seen since World War II. This sense of urgency is driving the debate over nuclear sharing and other defense initiatives.

Merz expressed his surprise at the current state of affairs:

I never thought I had to say such a thing in a TV program, but after Donald Trump’s statements last week, it’s clear that today’s US government doesn’t seem to care much about the fate of Europe.

Following World War II, Germany faced restrictions on its military capabilities.However, Russia’s invasion of Ukraine has spurred Germany to lift restrictions on weapon deliveries and accelerate its own military modernization. this shift reflects a basic change in Germany’s approach to defense and security.