SEOUL — South Korea launched its first homemade rocket on Thursday, a mission that was solely partly profitable however that officers known as an vital step towards ​putting domestically made satellites in orbit to raised monitor rising threats from North Korea.

The three-stage Nuri rocket, constructed by the federal government’s Korea Aerospace Analysis Institute with the assistance of tons of of native firms, lifted off from the Naro Area Heart in Goheung, on the southwestern tip of South Korea. The rocket carried a 1.5-ton dummy payload to check its capability to thrust a synthetic satellite tv for pc into orbit 373 to 497 miles above the Earth.

A little bit greater than an hour after the takeoff, President Moon Jae-in stated the launching “didn’t attain its purpose fully” however confirmed “glorious outcomes for a primary strive.” He stated Nuri pushed its payload to area 434 miles above the Earth however the mission was “incomplete.” Mr. Moon supplied no additional particulars, however specialists stated that the dummy satellite tv for pc most likely didn’t function on the altitude or pace its engineers had meant.

“We have been only one step wanting reaching our purpose,” Mr. Moon stated throughout a information convention, urging engineers to make the following launch, scheduled for Might, “an entire success.”

The launch on Thursday was broadcast dwell on all main TV stations and on web streaming platforms like YouTube. Mr. Moon’s authorities had billed the launch as a large step ahead in South Korea’s effort to change into a brand new chief in area know-how.

South Korea has nurtured a decades-long ambition to hitch the elite membership of countries constructing rockets able to putting communications, surveillance and different satellites in orbit. After a number of delays and failures, South Korea’s Naro rocket succeeded in putting a satellite tv for pc in orbit for analysis and growth functions in 2013. However not like Nuri, the rocket launched on Thursday utilizing home know-how, Naro was constructed collectively with Russia.

South Korea has spent almost $1.7 billion to construct the 200-ton Nuri, also called the Korea Area Launch Car-II. It deliberate to conduct a number of extra trial launches of the Nuri system, together with one scheduled for Might.

With Nuri, South Korea has hoped to safe a foothold in space technology, the latest high-tech market the place the nation has determined to change into a participant. Most rocket launches around the globe have been carried out by america, Russia, France, China, Japan and India.

South Korea plans to ship a moon orbiter subsequent fall aboard a Falcon 9 rocket from SpaceX, the corporate based by Elon Musk. Mr. Moon has stated that his nation expects to have the ability to land an uncrewed spacecraft on the moon utilizing South Korean rockets by 2030.

With its personal rocket capabilities, South Korea says it hopes to construct satellite-based navigation and next-generation communications networks. It additionally needs to carve out a portion of the world’s satellite-launching market, an more and more crowded area as main industrialized nations jostle to construct their very own home packages.

The Nuri launch additionally mirrored South Korea’s want to be much less depending on United States forces to watch North Korea, in addition to its purpose of regaining wartime operational control of its 550,000-member army. Underneath a bilateral settlement with Washington, South Korean troops fall below the command of an American basic ought to struggle escape on the Korean Peninsula.

South Korea has no army spy satellites of its personal, relying as an alternative on United States satellites to look at the North. Inserting its personal “eyes and ears” in area grew to become extra pressing as North Korea’s nuclear and missile capabilities expanded​ through the years and after President Donald J. Trump threatened to withdraw American troops​ in South Korea.

South Korea positioned its first army communications satellite tv for pc into orbit final July, carried by a SpaceX Falcon 9 rocket​.

North Korea, which has its own rocket program, has criticized the South’s area program​ for its potential army functions​. Area rockets and intercontinental ballistic missiles use comparable applied sciences. North Korea launched satellite space vehicles earlier than it efficiently examined three I.C.B.M.s in 2017. The United Nations Safety Council banned the North from launching area rockets that have been getting used as checks for the nation’s long-range ballistic missile program.

South Korea’s area ambitions have been hamstrung for years by agreements with america. American officers feared {that a} strong South Korean rocket program would lead the nation to construct missiles, accelerating a regional arms race. However final yr, Washington and Seoul agreed to take away a few of the restrictions, permitting South Korea to construct solid-fuel rockets for space-launch automobiles.

Stable-fuel rockets are less expensive than liquid-fuel rockets like Nuri. They’re additionally excellent for long-range ballistic missiles as a result of they’re simpler to move and put together for launch. North Korea has accused the South of hypocrisy for increasing its personal weapons capabilities whereas criticizing the North’s.