Terminal High Altitude Area Defense

The U.S. thinks it can shoot down North Korea's missiles

North Korea launches three ballistic missiles in an 'armed protest' against the US

Pyongyang appeared to express its displeasure over a US plan to install an advanced missile defense system in South Korea by launching three missiles into the sea.

Here's What We Know About North Korea's Rocket and the 'Satellite' It Put Into Orbit

North Korea defied UN sanctions and launched a long-range rocket on Sunday, but what it claims is a satellite is suspected of being a hunk of space junk.