Close U.S. tests 'hit-to-kill' missile defense system As North Korea boasts about being able to hit Alaska with its missiles, the U.S. Missile Defense Agency demonstrates its THAAD technology in a previously scheduled test. WUSA 6:40 AM. EDT September 07, 2017 TRENDING VIDEOS VERIFY: Was HIV infected blood put into Pepsi products? Verify: Is FEMA paying for power outages? Naval Hospital Jacksonville removes employees in viral photos Verify: Will Reese's Peanut Butter Cups be discontinued this October? Which DC neighborhoods report the most rodents? Teen returns wallet he found with $1,500 in cash Hurricane Update 9/19 Evening: Tracking Maria WUSA9 asks DC mayor about Black Lives Matter video Father says Va. teen wasn't a threat to police Md. files suit against FAA over airport noise More Stories Veteran: 'Just because we made it home…this fight's… Sep 25, 2017, 7:29 p.m. Why stopping a North Korean missile might be tough Sep 25, 2017, 11:02 p.m. Warm until Thursday PM Feb 18, 2016, 10:28 a.m.