Three astronauts head to space station, embarking on 3-month mission
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During this mission, astronauts are scheduled to conduct two extravehicular operations, popularly known as spacewalks, to use mechanical arms to install equipment and check Tianhe's external condition.
Their work will enable the China Manned Space Agency to accumulate experience and check the capability, performance and compatibility of systems involved in the space station program to prepare for the next steps in its construction, said Ji Qiming, the agency's assistant director.
Tianhe was lifted by a Long March 5B heavy-lift rocket at the Wenchang Space Launch Center in Hainan province on April 29.