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Europe Considers Expanding Nuclear Deterrence as U.S. Commitment Wavers

European leaders explore nuclear umbrellas under France and the UK while addressing defense gaps left by reduced U.S. support.

Britain's nuclear missiles are carried on its fleet of four Vanguard class nuclear-powered ballistic missile submarines.
A Russian nuclear missile complex arrives during military parade rehearsals, in the Red Square, on May 5, 2024.
French navy commander Axel Roche poses in the navigation and operations center of nuclear submarine "Suffren" in Cherbourg, north-western France on July 12, 2019, during its launch ceremony.
NATO Secretary-General Mark Rutte holds a press conference with US President Donald Trump at the White House on March 13.

Overview

  • Russia's nuclear arsenal remains the largest globally, with over 4,000 operational warheads and advanced delivery systems, posing a significant threat to Europe.
  • European nations are exploring enhanced nuclear deterrence strategies, including potential French and UK-led nuclear umbrellas, as U.S. support becomes less reliable under Donald Trump's administration.
  • French President Emmanuel Macron has proposed extending France's nuclear protection to European allies, though he insists on retaining sole authority over its use.
  • Poland, Germany, and other European nations are debating increased nuclear cooperation, while some leaders have called for U.S. nuclear weapons to be stationed in Europe to counter Russian aggression.
  • The EU has launched an €800 billion rearmament plan to strengthen its defense capabilities, combining conventional and nuclear strategies to address growing security challenges.