North Korea says it launched a new type of Hwasong-18 Intercontinental ballistic missile using solid fuel, on Thursday, according to state media KCNA.
Seoul, South Korea CNN  — 

North Korea says the new intercontinental ballistic missile (ICBM) it tested Thursday was solid-fueled, a development that analysts say could allow it to launch long-range nuclear strikes more quickly and easily as it ramps up its missile program.

The new missile, called the Hwasong-18, was launched just after 7 a.m. Thursday, triggering a brief evacuation order on the northern Japanese island of Hokkaido before it fell into the waters east of the Korean Peninsula.

State-run Korean Central News Agency (KCNA) reported Friday the missile launch, attended by leader Kim Jong Un and his daughter, “would serve as a powerful strategic attack means of greater military efficiency.”

KCNA quoted Kim as saying the Hwasong-18 would “radically promote” his county’s ability to launch a nuclear counterstrike to suppress invasions and protect the nation.

Analysts noted that North Korea already has that ability, though the new missile may enhance it.

“I think it demonstrates technological progress, but I would not describe this as a game changer,” said Ankit Panda, a nuclear policy expert at the Carnegie Endowment for International Peace.

South Korea’s Defense Ministry said Friday Pyongyang still needs “more time and effort to successfully complete its solid-fuel intercontinental ballistic missile technology.”

Kim Jong Un, center, and his daughter, left, watch Thursday's missile launch in a photo released by state media.

Thursday’s missile test was North Korea’s 12th of the year, according to CNN’s count, and it came after United States and South Korean forces had earlier this month concluded their biggest military drills in years, including a large amphibious landing exercise.

It also came just days after a key meeting of North Korea’s Central Military Commission on Monday, when Kim stressed the need to quickly expand Pyongyang’s nuclear deterrence in response to “the ever-worsening security on the Korean Peninsula,” according to KCNA.

The testing of a solid-fueled ICBM is important because they’re more stable than the liquid-fueled ones that North Korea has previously tested on long-range missile launches.

A solid-fueled ICBM would be fueled during manufacturing and can be moved more easily to avoid detection before a launch that can be initiated in a matter of minutes, according to Joseph Dempsey, a research associate at the International Institute for Strategic Studies.

A liquid-fueled ICBM would need to undergo a fueling process at its launch site that could take hours, giving time for an adversary to detect and neutralize it, Dempsey wrote in an analysis earlier this year.

This picture taken on October 19, 2021 and released from North Korea's official Korean Central News Agency (KCNA) on October 20, 2021 shows test fire of a new type submarine-launched ballistic missile in an undisclosed location in North Korea. (Photo by various sources / AFP) / South Korea OUT / ---EDITORS NOTE--- RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO/KCNA VIA KNS" - NO MARKETING NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS / THIS PICTURE WAS MADE AVAILABLE BY A THIRD PARTY. AFP CAN NOT INDEPENDENTLY VERIFY THE AUTHENTICITY, LOCATION, DATE AND CONTENT OF THIS IMAGE --- /  (Photo by STR/AFP via Getty Images)
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Thursday’s launch came as no surprise to analysts who noted that North Korea had publicized a test of a solid-fueled rocket engine in December.

Kim has wanted to bring his forces up to the standards of other nations with ICBMs after starting out with easier-to-master liquid-fuel technology – and the apparent success of the solid-fueled ICBM launch suggests his missile program is advancing.

North Korea says it launched a new type of Hwasong-18 intercontinental ballistic missile using solid fuel, on Thursday.

“At an earlier stage of North Korea’s missile program, liquid-fuel ICBMs represented the quickest and easiest path to achieving the country’s historic goal of being able to threaten the continental United States,” the IISS’ Dempsey wrote.

“The addition of solid-fuel ICBMs to the missile force would make it a more credible strategic deterrent by providing a more capable, less vulnerable pre-emptive and retaliatory capability,” Dempsey wrote.

The new Hwasong-18 has three stages, according to KCNA, just like the United States’ main ICBM, the Minuteman III, which is powered by three solid-fueled rocket motors.

Jeffrey Lewis, an analyst at the James Martin Center for Nonproliferation Studies, said on Twitter that it was “no surprise” a solid-fueled ICBM wasted tested by North Korea, saying “it’s just easier to use solid-fuel missiles.