SEOUL -- South Korea is aiming to join the ranks of advanced spacefaring nations on Thursday when it attempts to put a one-ton payload into orbit using its first fully homegrown rocket.
The country has risen to become the world's 12th-largest economy and a technologically advanced nation, home to the planet's biggest smartphone and memory chip maker, Samsung Electronics.
But it has lagged in the headline-making world of spaceflight, where the Soviet Union led the way with the first satellite launch in 1957, closely followed by the United States.
In Asia, China, Japan and India all have advanced space programs, and the South's nuclear-armed neighbor North Korea was the most recent entrant to the club of countries with their own satellite launch capability.
Ballistic missiles and space rockets use similar technology and Pyongyang put a 300-kilogram satellite into orbit in 2012 in what Western countries condemned as a disguised missile test.
Even now, only six nations -- not including North Korea -- have successfully launched a one-ton payload on their own rockets.
The South will become the seventh if the Korean Satellite Launch Vehicle II, informally called Nuri, succeeds in putting its 1.5-ton dummy cargo into orbit from the launch site in Goheung, with an altitude of 600 to 800 kilometers being targeted.
The three-stage rocket has been a decade in development at a cost of 2 trillion won (about P86.63 billion). It weighs 200 tons and is 47.2 meters (155 feet) long, fitted with a total of six liquid-fuelled engines.
Aiming for the Moon
The South Korean space program has a checkered record -- its first two launches in 2009 and 2010, which in part used Russian technology, both ended in failure, the second one exploding two minutes into the flight and Seoul and Moscow blaming each other.
Eventually a 2013 launch succeeded, but still relied on a Russian-developed engine for its first stage.
The satellite launch business is increasingly the preserve of private companies, notably Elon Musk's SpaceX, whose clients include the U.S. space agency NASA and the South Korean military.
But one expert said a successful Nuri launch offered South Korea "infinite" potential.
"Rockets are the only means available to mankind to go out into space," Lee Sang-ryul, the director of the Korea Aerospace Research Institute, told local paper Chosun Biz.
"Having such technology means we have fulfilled basic requirements to join this space exploration competition."
Thursday's launch is one step on an increasingly ambitious space program for South Korea, which President Moon Jae-in said would seek to launch a lunar orbiter next year, after he inspected a Nuri engine test in March.
"With achievements in South Korean rocket systems, the government will pursue an active space exploration project," he said.
"We will realize the dream of landing our probe on the Moon by 2030."
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