Three Chinese astronauts docked at the country's space station on Sunday, the state broadcaster said, marking a new milestone in Beijing's drive to become a major space power.

The trio blasted off in a Long March-2F rocket at 0244 GMT from the Jiuquan launch centre in northwestern China's Gobi desert, said broadcaster CCTV.

The team is tasked with "completing in-orbit assembly and construction of the space station", as well as "commissioning of equipment" and conducting scientific experiments, state-run CGTN said Saturday.

The spacecraft docked at the Tiangong station after about "seven hours of flight", CCTV reported.

Tiangong, which means "heavenly palace", is expected to become fully operational by the end of the year.

China's heavily promoted space programme has already seen the nation land a rover on Mars and send probes to the Moon.

The Shenzhou-14 crew is led by air force pilot Chen Dong, 43, the three-person crew's main challenge will be connecting the station's two lab modules to the main body.

Dong, along with fellow pilots Liu Yang and Cai Xuzhe, will become the second crew to spend six months aboard the Tiangong after the last returned to earth in April following 183 days on the space station.

Tiangong's core module entered orbit earlier last year and is expected to operate for at least a decade.

The completed station will be similar to the Soviet Mir station that orbited Earth from the 1980s until 2001.

- Space ambitions -

The world's second-largest economy has poured billions into its military-run space programme, with hopes of having a permanently crewed space station by 2022 and eventually sending humans to the Moon.

The country has made large strides in catching up with the United States and Russia, whose astronauts and cosmonauts have decades of experience in space exploration.

But under Chinese President Xi Jinping, the country's plans for its heavily promoted "space dream" have been put into overdrive.

In addition to a space station, Beijing is also planning to build a base on the Moon, and the country's National Space Administration said it aims to launch a crewed lunar mission by 2029.

China has been excluded from the International Space Station since 2011, when the United States banned NASA from engaging with the country.

While China does not plan to use its space station for global cooperation on the scale of the ISS, Beijing has said it is open to foreign collaboration.

The ISS is due for retirement after 2024, although NASA has said it could remain functional until 2030.

China discloses tasks of Shenzhou-14 crewed space mission
Jiuquan (XNA) Jun 04 - The upcoming Shenzhou-14 crewed space mission will complete the construction of the Tiangong space station, with a basic three-module structure consisting of the core module Tianhe and the lab modules Wentian and Mengtian, according to the China Manned Space Agency (CMSA) on Saturday.

The mission will build the space station into a national space laboratory, said Lin Xiqiang, deputy director of the CMSA, at a press conference.

China is set to launch the Shenzhou-14 crewed spaceship on Sunday from the Jiuquan Satellite Launch Center, sending three astronauts to its space station combination for a six-month mission.

The Shenzhou-14 crew will work with the ground team to complete the rendezvous, docking and transposition of the two lab modules with the core module, Lin said.

They will enter the two lab modules for the first time and help make the environment suitable for their stay, he said, adding that they will unlock and install a dozen of scientific experiment cabinets in the two modules.

They will also carry out relevant function tests on the two-module space station complex, three-module space station complex, large and small mechanical arms, as well as exit from the airlock cabin in the Wentian lab module, with the assistance of the ground team.

The crew will, for the first time, use the airlock cabin in Wentian to carry out extravehicular activities for two to three times, Lin said.

They will continue to give "Tiangong Class" series to students for science popularization and perform other activities for public good.

The trio will also carry out in-orbit health monitoring, protective exercises, in-orbit training and drills, space station platform inspections and tests, equipment maintenance, as well as station and material management.

During their stay in orbit, the Shenzhou-14 crew will witness the two lab modules, Tianzhou-5 cargo craft and Shenzhou-15 crewed spaceship dock with the core module. They will experience nine space station complex configurations and conduct rendezvous and docking for five times.

The three astronauts will rotate with the Shenzhou-15 crew in orbit, before returning to the Dongfeng landing site in north China's Inner Mongolia Autonomous Region in December, Lin said.

Related Links
The Chinese Space Program - News, Policy and Technology
China News from SinoDaily.com

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