Russian Aggression Russian Invasion Military Support Military Strategy Russia-Ukraine Relations Territorial Disputes US-Russia Relations Russian Military Military Tactics Diplomatic Relations Russian Influence U.S. Involvement Western Support Russian Military Actions International Alliances Western Influence Military Actions Military Engagements Diplomatic Efforts U.S.-Ukraine Relations NATO Responses Russian Offensive Military Dynamics Annexation of Crimea Military Equipment Transfers Pro-Russian Separatists Russian Involvement Ukrainian Government International Response North Korea's Role US Involvement Negotiations Russian Military Strategy Western Military Aid Russian Relations Ceasefire Negotiations European Security International Support Peace Negotiations Military Engagement Military Tensions International Military Presence NATO Involvement Donetsk People's Republic US Military Aid Defense Strategies Military Strategies Russian Military Movements Kyiv Zaporizhzhia Region Russia Invasion Foreign Military Support Military Involvement Russian Military Power Norway's Role North Korea's Involvement Military Aid Russia-Ukraine War International Security Russian Occupation Military Operations Slovakia's Role Post-War Security Western Sanctions