South Korean President Moon Jae-in has ordered a “thorough investigation” into the recent undisclosed entry of four Terminal High-Altitude Area Defense (THAAD) launchers into South Korea and described the situation as “very shocking,” the Blue House announced on Tuesday.

The presidential office said that the Ministry of National Defense (MND) had not reported the delivery of the four rocket launchers into the South to a presidential advisory commission on planning state affairs on May 25 – the day the ministry was due to deliver a briefing to the new government on issues pertaining to national defense.

Because Moon Jae-in took office a