Seoul —has successfully tested a new , state media reported Wednesday, in what would be the nuclear-armed nation's latest advance in weapons technology. was of "great strategic significance," the official Korean Central News Agency said, as the North seeks to increase its defense capabilities a "thousand-fold."
Hypersonic missiles move much faster and are more agile than standard ones, making them much harder for missile defense systems — on which the U.S. is spending billions — to intercept. However, South Korean officials said the North still appeared to be a "considerable time" from finalizing the new weapon, and that defense systems shared with the U.S. were capable of stopping it.
The launch from Jagang province "confirmed the navigational control and stability of the missile", along with its "guiding maneuverability and the gliding flight characteristics of the detached hypersonic gliding warhead" and the engine, according to KCNA, which called it the Hwasong-8.
The launch was watched by top official Pak Jong Chon, it said, but there was no indication that leader Kim Jong Un witnessed it.
The official Rodong Sinmun newspaper carried a picture of the weapon — with a set of guidance fins at the base of its nose cone — ascending into the morning sky.
The South Korean military had announced the launch shortly after it happened on Tuesday, but it did not reveal the missile's maximum altitude and flight distance afterwards, information it normally makes available within around an hour.
On Wednesday, Seoul's Joint Chiefs of Staff said the South Korean and U.S. militaries were "capable of detecting and intercepting it."
"Based on an assessment of its characteristics such as speed, it is at an initial phase of development and will take a considerable time to be deployed," they said in a statement.
Both Koreas are building up their weapons capabilities in what could become an arms race on the divided peninsula, with ramifications for neighboring Japan, China and the wider region.
The nuclear-armed North, which invaded the South in 1950, is under multiple sets of international sanctions over its banned nuclear weapons and ballistic missile programs, and earlier this month said it had.
Developing the hypersonic missile was one of five "top priority" tasks in the five-year plan for strategic weapons, KCNA said.
Since inheriting power following the death of his father nearly 10 years ago, Kim has overseen rapid improvements in, including developing intercontinental ballistic missiles (ICBMs) that can reach the whole of the continental United States and its most powerful nuclear test to date.
In January, Kim offered a shopping list of goals that, as well as hypersonic warheads, also included a nuclear-powered submarine, military reconnaissance satellites and solid-fuel ICBMs at a five-yearly congress of the ruling Workers' Party — a meeting at which he described the United States as his country's "principal enemy."
Lim Eul-chul, a professor at the Institute for Far Eastern Studies at Kyungnam University, said North Korea was looking to use its weapons development "as a means to make room for diplomatic maneuvering as well as enhancing military posture".
More launches could be expected in the future, he added: "In a way, the North's recent behavior is very predictable. They had signaled military actions and are now executing them step by step."
Rising tension as both sides arm-up
Seoul is also spending billions on military development and this month successfully(SLBM) for the first time, making it one of a handful of nations with the advanced technology.
On Tuesday, it held a ceremony to launch its third submarine capable of carrying SLBMs.
Washington and Seoul are security allies and the United States stations around 28,500 troops in the South to protect it from its neighbor.
Talks between Pyongyang and Washington have been largely at a standstill since a 2019 summit in Hanoi between leader Kim and then-president Donald Trumpover sanctions relief and what North Korea would be willing to give up in return.
Since then, Pyongyang has repeatedly excoriated the South and its president Moon, and blown up a liaison office on its side of the border that Seoul had built, although in recent days leader Kim's influential sister Kim Yo Jong has dangled the prospect of an inter-Korean summit.
The administration of President Joe Biden - which condemned Tuesday's launch as a sanctions violation and a threat to the international community - has repeatedly said it is willing to meet North Korean officials anywhere, at any time, without preconditions, in its efforts to seek denuclearization.
But North Korea has not shown any willingness to give up its arsenal, which it says it needs to defend itself against a U.S. invasion.
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