By Jack Kim | SEOUL

South Korean President Moon Jae-in’s top security aide left for Washington on Thursday as the new leader tries to reassure his country’s main ally he will not scrap a deal to host a missile defense system that has angered China.

Moon ordered an investigation this week into why his office had not been informed about the deployment of four more launchers for the U.S. Terminal High Altitude Area Defense (THAAD) system, which are being deployed amid a growing threat of missile launches by North Korea.

The liberal leader had pledged during his election campaign that he would review the decision to deploy THAAD, and said it was “very shocking” his office had not been told of the latest deployment while he is preparing for a summit with U.S. President Donald Trump in Washington this month. Continue reading.