Exclusive: U.S. plans to test THAAD missile defenses as North Korea tensions mount

By Phil StewartWASHINGTON (Reuters) - The United States plans to carry out a new test of its THAAD missile defense system against an intermediate-range ballistic missile in the coming days, two U.S. officials told Reuters on Friday, as tensions with North Korea climb.Despite being planned months ago, the U.S. missile defense test will gain significance in the wake of North Korea's launch of an intercontinental ballistic missile (ICBM) on July 4 that has heightened concerns about the threat from