What is THAAD? South Korea's best defence against a missile attack

The US Army's Terminal High-Altitude Area Defence (THAAD) system that has been deployed in South Korea is the most advanced interceptor in the world and is designed to shoot down ballistic missiles in the terminal phase of their approach to a target. The need for the system was identified as far back as the mid-1980s but gained new momentum in 1991 when Iraqi forces launched attacks against coalition targets with Russian-built Scud missiles during the Gulf War. Developed primarily by Lockheed Ma