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

NATO Secretary General Mark Rutte warned Thursday that members of the alliance could be “Russia’s next target,” calling for a rapid rise in defense spending to prevent a war similar to those seen by past generations.

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,

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

Russia's growing aggression prompts NATO warning as recent railway blast in Poland and airspace violations signal escalating security threats across Europe.

Secretary-General Mark Rutte chastised some allies for moving too slowly when it comes to ramping up defense spending.

Russian President Vladimir Putin has rejected Western warnings of an imminent Russian attack as “lies and nonsense,” accusing NATO nations of deliberately stoking fear across Europe. Speaking at an expanded Defense Ministry meeting,

Estonia has started constructing concrete bunkers along its border with Russia as nations on NATO’s eastern flank rushes to build up land defenses. The Baltic states of Estonia, Latvia and Lithuania signed an agreement in January 2024 to beef up protection along their land borders with Russia and Moscow’s key ally, Belarus.