Russian Invasion Russian Military Russian Military Actions International Support Military Operations Troop Movements Foreign Fighters Military Aid North Korea Volunteer Battalions Drone Warfare Luhansk Region Military Strategy Eastern Ukraine Ceasefire Agreements Global Military Involvement Russian Attack on Ukraine Avdiivka Battle Russian Troops Combat Engagements in Ukraine Ammunition and Artillery Shortages Drone Attacks Eastern Ukraine Conflict Eastern Ukraine Military Actions Weapons Russian Involvement Russian Forces Russian-Ukrainian War Russian Military Operations