Footage on social media showed what security sources later confirmed as the firing of a Terminal High Altitude Area Defense (THAAD) battery missile to intercept a Houthi attack from Yemen early on ...

The US is sending an air-defense system to Israel that has rarely seen combat but has had a flawless flight test intercept ...

THAAD is designed to stop incoming missiles in their terminal, or descent, phase of flight, while Aegis makes its intercept in the mid-course phase, outside Earth’s atmosphere, before the ...

In a conflict with either country, South Korea would benefit from the potential US deployment of Lockheed Martin's Terminal High Altitude Area Defense (THAAD) system in the country. With its ...

The US deployed a top air-defense battery to Israel in October after a huge Iranian attack. The THAAD system has now been used in combat twice — once in December and another time in January.

And given how there are few anti-ballistic missile defense systems out there as effective as the THAAD, more billions are now poured into the weapon developed by Lockheed Martin. THAAD stands for ...

Despite not specifying which system to adopt, Lockheed Martin's Terminal High Altitude Area Defense (THAAD) is seen as the most likely option. THAAD is designed to shoot down short- and medium ...

An curved arrow pointing right. The United States has agreed to send THAAD, Lockheed Martin's Terminal High Altitude Area Defense (THAAD), to South Korea. Produced by Devan Joseph. Original ...

Some days the high-speed news cycle can bring more questions than answers. WSJ’s news explainers break down the day's biggest stories into bite-size pieces to help you make sense of the news.