Nato countries' pledge to spend 5% of their economic output on defence is Donald Trump's "biggest foreign policy success," the alliance's chief has said.

With peace in Ukraine still elusive, progress from U.S. initiatives have officials discussing a postwar security landscape.

Under the agreement, NATO’s civil budget for 2026 has been set at €528.2 million ($623 million), while the military budget will total €2.42 billion. The decision was taken on Tuesday at a meeting of the North Atlantic Council.

European nations are constructing a defensive wall along NATO's eastern frontier as Western intelligence agencies warn Russia could be militarily capable of attacking the alliance within five years. To assist with the construction of defensive works,

GOP Rep. Thomas Massie fielded a bill to remove the U.S. from NATO, putting forward a companion measure after Sen. Mike Lee introduced a bill earlier this year.

Ukraine has relinquished its ambition of joining the NATO military alliance in exchange for Western security guarantees as a compromise to end the war with Russia, President Volodymyr Zelenskyy said ahead of talks with U.S. envoys in Berlin.

Former Swedish Foreign Minister Tobias Billström said after the Ukraine war, Europe must be ready for further Russian aggression.

Rep. Thomas Massie (R-Ky.) on Wednesday introduced a bill that would pull the United States out of the NATO alliance. Rep. Anna Paulina Luna (R-Fla.) said she would co-sponsor the bill,

Build a digital backbone faster than adversaries can evolve or lose the information war NATO is in an existential race to develop sovereign cloud-based technologies to underpin its mission, the alliance's Assistant Secretary General for Cyber and Digital Transformation told an audience at the Royal United Services Institute (RUSI) last week.