North Korea's new missile could reach Washington - Seoul defence ministry

2017-12-01 09:12
A TV screen showing what the North Korean government calls the Hwasong-15 intercontinental ballistic missile being test-launched. (Ahn Young-joon/AP)

A TV screen showing what the North Korean government calls the Hwasong-15 intercontinental ballistic missile being test-launched. (Ahn Young-joon/AP)

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Seoul – Two days after North Korea test-launched its most powerful missile to date, a clearer picture is emerging of Pyongyang's impressive technological achievement – and what still remains before it can legitimately threaten the continental United States.

Many questions remain, but there's broad agreement from government and outside analyses that the huge Hwasong-15 intercontinental ballistic missile represents a significant step forward, putting the North very close to its goal of a viable arsenal of nuclear-tipped long-range missiles – maybe as early as the middle of next year.

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The two-stage liquid-fuel missile fired on Wednesday is potentially capable of striking targets as far as 13 000km, which would put Washington within reach, South Korea's Defence Ministry said on Friday in a report to lawmakers. It's also considerably larger than North Korea's previous ICBM, the Hwasong-14, and designed to deliver larger warheads, the ministry said. That would seem to confirm the North's boast after the launch that the Hwasong-15 can carry "super-large heavy nuclear warheads".

Michael Elleman, an analyst at the International Institute for Strategic Studies, said it appears that the Hwasong-15 can deliver a 1 000kg payload to any point on the US mainland. North Korea, which has so far conducted six nuclear tests, has almost certainly developed a nuclear warhead that weighs less than 700kg, if not one considerably lighter, Elleman wrote on Friday on the 38 North website.

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North Korea said the missile on Wednesday reached an apogee of 4 475km and flew 950km, splashing down close to Japan after being launched from a site near Pyongyang on a high trajectory to avoid other countries; that flight data was similar to what was announced by South Korea's military.

It's still not clear how close the missile is to being combat ready. The Defence Ministry told lawmakers that further review is needed to determine whether the missile's warhead can survive atmospheric re-entry, accurately hit a target and detonate properly.

'Significantly more' powerful

South Korean President Moon Jae-in shared his country's assessment with President Donald Trump in a telephone conversation on Thursday night. The leaders reaffirmed their commitment to strengthen pressure and sanctions on Pyongyang to discourage its nuclear ambitions, Seoul's presidential office said on Friday.

North Korea has described its new ICBM as "significantly more" powerful than the Hwasong-14, which the North flight tested twice in July. Photos and video of the launch released by the North's state media on Thursday confirm the Hwasong-15 is an entirely different beast.

After initially assessing the missile as a modified version of the Hwasong-14 following Wednesday's launch, South Korea's military now says the Hwasong-15 is considerably larger and potentially capable of carrying bigger payloads.

The Hwasong-15 is longer than the Hwasong-14 by two metres and also thicker, particularly its second stage, which is 80cm wider than Hwasong-14's second stage, Seoul's Defence Ministry said.

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Hwasong-15's 9-axle transport vehicle, which the North also revealed for the first time, was also two metres longer than the 8-axle truck the North used to carry the Hwasong-14s.

The Hwasong-15's first stage is powered by a pair of engines that were also used in the single-engine first stages of the Hwasong-14, the ministry said. It was still working to analyse the construction of the second stage.

It's possible that the missile has been designed to carry simple decoys, or other countermeasures, to confuse the US missile defence system, Elleman wrote.

He added that "if low confidence in the missile's reliability is acceptable, two or three test firings over the next four to six months may be all that is required before Kim Jong-Un declares the Hwasong-15 combat ready".

Read more on:    south korea  |  north korea  |  nuclear weapons

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