High Alert: NATO Sends Troops, Warplanes East to Counter Russian Threat

Several NATO member states are sending troops and hardware to allies in Eastern Europe as tensions with Russia escalate. The United States has put several thousand troops on alert. Moscow has over 100,000 troops amassed on the Ukraine border, and the West fears an imminent Russian invasion, which the Kremlin denies. Henry Ridgwell looks at what NATO’s military response means.   Camera: Henry Ridgwell