Amid a raging war in Ukraine, Russia is testing the combat readiness of its strategic missile forces. Moscow is conducting exercises with what Putin calls are Russia's 'invincible weapons'. The Russian military has begun exercises with its Yars intercontinental ballistic missile system with several thousand troops. The Yars mobile missile systems, reportedly, have a range of 12,000 km and can carry multiple independently targetable nuclear warheads. Watch this video for details.