NATO NATO Relations Military Alliances Military Cooperation Russia-Ukraine Conflict Ukraine Conflict U.S. Foreign Policy Military Aid Defense Cooperation US Foreign Policy Russia Defense Spending Defense Policy Collective Defense Russian Aggression Military Strategy Hybrid Warfare Defense Strategies Infrastructure Protection U.S.-Europe Relations Defense Coalitions US-Europe Relations Defense Coordination NATO Partners France Infrastructure Arms Control Discussions Impact of Ukraine War on Europe Collective Security U.S. Influence NATO Involvement Peace Negotiations Deterrence Strategies Diplomacy NATO Future War in Ukraine Nuclear Deterrence Military Spending US-EU Relations Nuclear Alliances EU Member States US-Germany Relations US Engagement Coalition Building Military Conscription Transatlantic Relations US-Ukraine Relations Defence Industry Conflict and Sabotage Germany Germany-Ukraine Relations Defense Alliances NATO Membership UK-EU Security Partnership Nuclear Threats Food Security Hybrid Threats US Relations NATO and Allies Conflict Escalation Military Support for Ukraine NATO Expansion