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Yesterday (23rd), President Moon Jae-in made a public statement to celebrate the success of the world's largest warhead-weight ballistic missile. There is no explanation.

Reporter Kim Hak-hui reports what the president said and the silence of related organizations afterwards.

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President Moon Jae-in mentioned ballistic missiles twice yesterday.

[President Moon Jae-in: We have developed a ballistic missile with the world's largest warhead weight.]

[President Moon Jae-in: Congratulations on the success of the ballistic missile.] In

the context of'World's largest warhead weight', ' It is interpreted as referring to Hyunmu-4'.

Called a monster missile, the Hyunmu-4 is an underground bunker-destructing weapon with a range of 800 km, especially a warhead weight of 2 tons and a descent speed of more than Mach 10.

GBU-57 is the best bunker in the United States that penetrates 60 meters underground and is considered to be not enviable.

It is also the most threatening weapon to North Korea, which has undergrounded its main facilities.

Since the inauguration of President Moon, development has been achieved with an unlimited revision of the warhead weight of the ROK-US missile guidelines.

The question was raised because the inter-Korean relations were disrupted and, moreover, the President's public remarks on weapons threatened by North Korea.

It is interpreted that it is a strategic ambiguity trying to avoid external stimuli but secure deterrence.

[Park Won-gon/ Handong University, Professor of International Area: We have had a strategic communication to secure deterrence by showing that this ability exists in neighboring countries.]

Hyunmu-4, who was known to have failed in the first test launch in March, As the president mentioned success, the R&D phase is expected to end and mass production is expected to begin soon.

(Video Editing: Seungjin Lee)