>> The US answering North Korea with more than just talk on Tuesday. Washington announcing it's rolling out the first pieces of the controversial THAAD anti-missile system. After Pyonyang fired four ballistic rockets into the sea near Japan. THAAD is designed to defend South Korea against a possible attack from the North.
But as Reuters' Jack Kim explains, it's got the neighbors and critics at home up in arms.>> The THAAD missile defense systems is angrily opposed by China, which thinks that its radar may look deeply into its territory despite repeated assurance by the Americans that that's not what it's designed for.
And that it's designed to strictly for defensive purposes against the threat of missiles from North Korea. It's also controversial here in South Korea, where little opposition parties feel that it is harming South Korea's relationship with China, a vital trading partner.>> The diplomatic stand-off with China over THAAD has already cost South Korea, Beijing authorities closing nearly two dozen retail stores owned by the South Korean conglomerate Lotte Group after it swapped land with the military to base the THAAD systems on a golf course.
Meanwhile, north of the border, Pyongyang says this week's four missile tests were overseen by Supreme Leader Kim Jong-un with specific priority targets in mind.>> North Korea state media was revealing that it was conducted by an army unit that is commissioned to strike at US military bases in Japan.
So this represents another stepped up of level of threat against the American presence in the region.>> The US and Japan have called for a UN Security Council meeting over the launches. Diplomats say that meeting could happen as soon as Wednesday.