North Korea rocket-engine test shows meaningful progress: South Korea

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North Korea says it successfully tested a new high-thrust engine, which leader Kim Jong Un called "a new birth" of the country's rocket industry.
The ground jet test of a Korean-style high-thrust engine newly developed by the Academy of the National Defence Science in Pyongyang. PHOTO: REUTERS

SEOUL (REUTERS) - North Korea's latest rocket-engine test showed "meaningful" progress, South Korea said on Monday (March 20), while an analyst said it was a dangerous step towards the North's goal of developing a rocket that could hit the United States.

The North's KCNA news agency said on Sunday the engine would help North Korea achieve world-class satellite-launch capability, indicating a new type of rocket engine for an intercontinental ballistic missile (ICBM).

The North's announcement of a successful engine test came as US Secretary of State Rex Tillerson was in Beijing at the end of his first visit to Asia for talks dominated by concern about North Korea's nuclear and missile programmes.

"Through this test, it is found that engine function has made meaningful progress but further analysis is needed for exact thrust and possible uses," Mr Lee Jin Woo, deputy spokesman for the South Korean defence ministry, told a regular briefing.

State-run North Korean media reported that leader Kim Jong Un had hailed the successful test of a new high-thrust engine at its rocket launch station as "a new birth" of its rocket industry.

Mr Lee said the test featured a main engine supported by four supplementary engines.

However, he did not elaborate on the progress the test showed the North had made, nor comment on whether the engine could be used for ICBM. He said the South Korean military was conducting analysis.

US President Donald Trump told reporters he held meetings on North Korea at the weekend at his Florida resort. While he did not refer specifically to the rocket-engine test, he said Mr Kim Jong Un was "acting very, very badly".

A South Korean analyst said the test was an ominous development.

"This was a comprehensive test for the first-stage rocket for an ICBM, and that is why it was dangerous," said analyst Kim Dong Yub at Seoul's Institute for Far Eastern Studies. "It appears that North Korea has worked out much of its development of the first-stage rocket booster."

North Korea has conducted five nuclear tests and a series of missile launches in defiance of United Nations sanctions, and is believed by experts and government officials to be working to develop nuclear-warhead missiles that could reach the US.

North Korean leader Kim said in January his country was close to test-launching an ICBM. That would put parts of the US in range.

Last week, Mr Tillerson issued the Trump administration's starkest warning yet to North Korea, saying in Seoul that a military response would be "on the table" if it took action to threaten South Korean and US forces.

The US has long called on China to do more to rein in its ally, North Korea. China resents being pressed to do more, saying the problem is between North Korea and the US, although it too objects to the North's nuclear programme.

No formal agreements were announced during Mr Tillerson's visit to China although the two sides said they would work together to try to make North Korea take "a different course".

China has called for a dual-track approach on North Korea, urging it to suspend its tests, and the US and South Korea to suspend military exercises, so both sides can return to talks.

Beijing has also been infuriated by the deployment of the Terminal High Altitude Area Defence (Thaad) anti-missile defence system in South Korea, which it says will both harm China's own security and do nothing to ease tensions.

China says the system's powerful radar will extend into the country's north-east and potentially track Chinese missile launches, and maybe even intercept them. Russia also opposes the system, for the same reasons.

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