Full coverage: China Tiangong-2 Space Lab Launch

For more on the two astronauts, joining us here in the studio are Xu Yansong, Director for International Cooperation from the China National Space Administration and Professor Yang Yuguang of the China Aerospace Science and Industry Corporation.

Q1. Jing Haipeng has become China’s first astronaut to go into space for the third time. What can he offer to China's space program?

Q2.  This is Chen Dong’s first space mission. He is part of the second generation of Chinese astronauts. Are there any differences between the two generations?

Q3. What are the roles of the two Chinese astronauts on the Shenzhou-11 spacecraft AND in Tiangong-2 space lab?

Q4. What kind of preparation is involved in missions like this?

Q5. How were the two crew members chosen?