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更新时间:2018-6-8 20:35:00 来源:纽约时报中文网 作者:佚名

North Korea Razes Missile Test Facility Ahead of Meeting With Trump

SEOUL, South Korea — Satellite imagery indicates that North Korea is razing some facilities used for testing one of its most dangerous missiles after its leader, Kim Jong-un, announced a moratorium on nuclear and long-range missile tests, according to an analysis released this week.


A “key missile test stand” that was used for testing missile ejections from canisters was demolished at a test site near Kusong in North Korea’s northwest, Joseph S. Bermudez Jr., an expert on the country’s weapons systems, said in a report published Wednesday on the website 38 North.

朝鲜武器系统专家小约瑟夫·贝穆德斯(Joseph S. Bermudez Jr)在北纬38度网站(38 North)周三发布的报告中说,朝鲜西北部龟城附近某试验场内用于从发射筒试射导弹的“关键导弹试验台”被拆除。

The Kusong test site was being closely monitored by missile experts because North Korea launched its first solid-fuel midrange ballistic missile, known as Pukguksong-2, from there in February last year.


Besides its intercontinental ballistic missiles, solid-fuel missiles have been among the most worrisome additions to North Korea’s growing arsenal of ballistic missiles. They can be launched faster and are easier to transport and hide, making them more suitable for surprise attacks.


Work to raze the missile test stand and nearby support structures began in the second week of May and appeared nearly complete in satellite imagery taken on May 19, Mr. Bermudez said. He said the stand was the only known facility in North Korea used for land-based, canister-launched ballistic missile ejection tests, which are critical for developing the solid-propellant Pukguksong-2 or longer-range systems.


Militaries use canisters to “cold launch” missiles, ejecting them high into the air before their fuel ignites. The North’s Pukguksong series are cold launch missiles.


If North Korea had indeed perfected cold launch technology, it would help the nation better protect its mobile missiles from environmental damage while being driven around, and from fiery exhaust during launch. The cold launch method can also make missiles harder to detect once fired.


During a military parade in April last year, North Korea also showed off very large, apparently intercontinental, ballistic missiles encased in tubes or canisters, indicating that the North was also developing cold launch long-range missiles.


The significance of the removal of the test stand was unclear.


Mr. Bermudez said it could not be determined whether North Korea was suspending missile ejection tests or was planning to build similar facilities in the future.


Jeffrey Lewis, a North Korea specialist at the Middlebury Institute of International Studies at Monterey, Calif., tweeted that the test stand was used to test missile cold ejections, not for flight tests. He said he would strongly dispute the characterization of the facility as “key.”

加利福尼亚蒙特雷(Monterey)米德尔伯里国际研究学院(Middlebury Institute of International Studies at Monterey)的朝鲜问题专家杰弗里·刘易斯(Jeffrey Lewis)在推文中说,该试验台被用于测试导弹冷发射,而非飞行测试。他说,他强烈反对将其列为“关键”设施。

The Kusong test site was not the only place North Korea has tested its Pukguksong-2 system. In May last year, it launched the same missile from Pukchang, south of Kusong. South Korean officials suspected that a North Korean missile that exploded shortly after takeoff from the east coast in April last year may also have been a Pukguksong-2 missile.


Mr. Kim, North Korea’s leader, announced on April 20 that he would discontinue nuclear and intercontinental ballistic missile tests, doing so as his government negotiated with Washington on holding a summit meeting with President Trump. North Korea invited outside journalists to watch the shutting down of its only known nuclear test site on May 24.


The summit meeting is now scheduled to take place in Singapore next Tuesday.


After a series of tests, North Korea declared late last year that it had mastered the ability to launch a nuclear missile capable of reaching the mainland United States.


But its Hwasong-series intercontinental ballistic missiles use liquid fuel. Unlike solid-fuel missiles, liquid-fuel rockets have to be loaded with fuel just before launching, a process that can take up to an hour and make the missile vulnerable to a pre-emptive strike.


As United States officials were sorting out the final details for Mr. Trump’s summit meeting with Mr. Kim, a top United Nations expert on human rights in North Korea urged Mr. Kim to start freeing prisoners under a general amnesty ahead of the meeting next week.