China's new large carrier rocket Long March-5B blasts off from Wenchang Space Launch Center in south China's Hainan Province, May 5, 2020. China's new large carrier rocket Long March-5B made its maiden flight Tuesday, sending the trial version of China's new-generation manned spaceship and a cargo return capsule for test into space. (Photos: Xinhua)

China's new large carrier rocket Long March-5B blasts off from Wenchang Space Launch Center in south China's Hainan Province, May 5, 2020. The Long March-5B made its maiden flight on Tuesday, sending the trial version of China's new-generation manned spaceship and a cargo return capsule for test into space.

China's new large carrier rocket Long March-5B blasts off from Wenchang Space Launch Center in south China's Hainan Province, May 5, 2020. The Long March-5B made its maiden flight on Tuesday, sending the trial version of China's new-generation manned spaceship and a cargo return capsule for test into space.

China's new large carrier rocket Long March-5B blasts off from Wenchang Space Launch Center in south China's Hainan Province, May 5, 2020. The Long March-5B made its maiden flight on Tuesday, sending the trial version of China's new-generation manned spaceship and a cargo return capsule for test into space.

China's new large carrier rocket Long March-5B blasts off from Wenchang Space Launch Center in south China's Hainan Province, May 5, 2020. The Long March-5B made its maiden flight on Tuesday, sending the trial version of China's new-generation manned spaceship and a cargo return capsule for test into space.

China's new large carrier rocket Long March-5B blasts off from Wenchang Space Launch Center in south China's Hainan Province, May 5, 2020. The Long March-5B made its maiden flight on Tuesday, sending the trial version of China's new-generation manned spaceship and a cargo return capsule for test into space.

China's new large carrier rocket Long March-5B blasts off from Wenchang Space Launch Center in south China's Hainan Province, May 5, 2020. The Long March-5B made its maiden flight on Tuesday, sending the trial version of China's new-generation manned spaceship and a cargo return capsule for test into space.

China's new large carrier rocket Long March-5B blasts off from Wenchang Space Launch Center in south China's Hainan Province, May 5, 2020. The Long March-5B made its maiden flight on Tuesday, sending the trial version of China's new-generation manned spaceship and a cargo return capsule for test into space.

China's new large carrier rocket Long March-5B blasts off from Wenchang Space Launch Center in south China's Hainan Province, May 5, 2020. The Long March-5B made its maiden flight on Tuesday, sending the trial version of China's new-generation manned spaceship and a cargo return capsule for test into space.

China's new large carrier rocket Long March-5B blasts off from Wenchang Space Launch Center in south China's Hainan Province, May 5, 2020. The Long March-5B made its maiden flight on Tuesday, sending the trial version of China's new-generation manned spaceship and a cargo return capsule for test into space.

China's new large carrier rocket Long March-5B blasts off from Wenchang Space Launch Center in south China's Hainan Province, May 5, 2020. The Long March-5B made its maiden flight on Tuesday, sending the trial version of China's new-generation manned spaceship and a cargo return capsule for test into space.

China's new large carrier rocket Long March-5B blasts off from Wenchang Space Launch Center in south China's Hainan Province, May 5, 2020. The Long March-5B made its maiden flight on Tuesday, sending the trial version of China's new-generation manned spaceship and a cargo return capsule for test into space.

China's new large carrier rocket Long March-5B blasts off from Wenchang Space Launch Center in south China's Hainan Province, May 5, 2020. The Long March-5B made its maiden flight on Tuesday, sending the trial version of China's new-generation manned spaceship and a cargo return capsule for test into space.

China's new large carrier rocket Long March-5B blasts off from Wenchang Space Launch Center in south China's Hainan Province, May 5, 2020. The Long March-5B made its maiden flight on Tuesday, sending the trial version of China's new-generation manned spaceship and a cargo return capsule for test into space.

China's new large carrier rocket Long March-5B blasts off from Wenchang Space Launch Center in south China's Hainan Province, May 5, 2020. The Long March-5B made its maiden flight on Tuesday, sending the trial version of China's new-generation manned spaceship and a cargo return capsule for test into space.