Two Chinese astronauts have completed a spacewalk from a new space station that is due to be completed later this year

BEIJING -- Two Chinese astronauts went on a spacewalk Saturday from a new space station that is due to be completed later this year.

China is building its own space station after being excluded by the U.

American officials see a host of strategic challenges from China’s space ambitions, in an echo of the U.

The third member of the crew, Liu Yang, supported the other two from inside during the spacewalk.

Liu and Chen conducted the first spacewalk about two weeks ago.

China became the third nation to send a person into space in 2003, following the former Soviet Union and the United States.