NATO

European Defense Defense Spending Security Guarantees Eastern Europe Russia Troop Deployment Defense Policy Russian Military US Military Presence Defense Cooperation Military Alliances Collective Defense Defense Alliances Ukraine NATO Membership Military Spending Defense Policies Arms Control NATO Summits Aid Packages Russia-Ukraine War Security Concerns Defense Agreements U.S. Military Policy Peacekeeping Operations Western Military Presence Support for Allies Defense Operations Western Military Involvement Airspace Violations Western Military Alliances Russian Armed Forces Support for Ukraine Military Targets Ukraine Defense European Defense Initiatives Military Presence International Deployments US Military Support U.S. Military Presence in Europe European Security Allied Command Ukraine Conflict Geopolitical Tensions Military Support Article 5 Defense Expenditures