SEOUL, Sept. 9 (UPI) -- North Korean leader Kim Jong Un oversaw the test of a solid-fuel engine for intercontinental ballistic missiles, calling it a "significant change" in Pyongyang's growing nuclear weapon capabilities, state media reported Tuesday.
Kim oversaw the ninth and final test of the high-thrust engine on Monday, state-run Korean Central News Agency said.
The development of the engine is a "success assuming the most strategic nature in the recent modernization of defense technology and heralds a significant change in expanding and strengthening the nuclear strategic forces of the DPRK," Kim was quoted as saying by KCNA.
The Democratic People's Republic of Korea is the official name of North Korea.
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