NATO

European Security Ukraine European Union Membership Support for Ukraine Security Guarantees Summit European Allies NATO Summit Western Support for Ukraine Russia Military Support Defense Spending Leadership U.S. Involvement NATO-Ukraine Council Collective Security European Union Relations Member States Collective Defense Sweden Transatlantic Relations Ukraine's Membership Expansion European Defense U.S. Allies Ukraine's NATO Aspirations Eastern Europe Military Aid U.S. Commitment Sweden's Membership Member Countries Leaders' response Leadership Succession Mark Rutte Secretary General Article 5 EU Relations U.S. and European Allies US and European Relations U.S. Support for Ukraine Ukraine and NATO Relations U.S. Foreign Policy U.S. and NATO Relations US-Russia Relations Membership Process Ukraine's NATO Membership History Foreign Ministers Meeting Donald Trump Collective security alliance Russia's influence Threats Hungary Finland Trump's comments Accession European Unity Defense Obligations Canada's military spending Military Spending Membership Criteria Helsinki Summit European Members Helsinki Senators' Delegation to the NATO Summit Role of the U.S. in NATO US Relations Secretary-General Jens Stoltenberg NATO-Ukraine Relations Mechanisms of NATO Sweden's Membership Issue NATO's Response to Russian Aggression Anti-NATO Stance of Trump Challenges Neutrality Swedish Entry Ukrainian Defense Future of NATO under Trump Support Trump-proofing Coalition Defense Membership Applications Support Measures for Ukraine Ukraine's NATO Ambitions NATO-Russia Relations Washington Summit Leadership Roles Baltic Nations Tensions U.S.-Canada Relations Western Response to Russia Non-Members Strengthening Alliances Ukraine's Admission Bilateral Security Commitments Eastern European Security Long-term Security Assistance Viktor Orban Strengthened Partnerships