China Unveils Shenzhou-21 Crew for Six-Month Tiangong Space Station Mission

China Announces Shenzhou-21 Crew and Mission Details

China has officially unveiled the three-member crew for its upcoming Shenzhou-21 manned spaceflight mission to the Tiangong space station. The crew, comprising commander Zhang Lu, flight engineer Wu Fei, and payload specialist Zhang Hongzhang, was announced by the China Manned Space Agency (CMSA) at a press conference on Thursday, October 30, 2025. The mission is scheduled to launch at 11:44 p.m. Friday (Beijing Time), October 31, 2025, from the Jiuquan Satellite Launch Center in northwest China.

This mission marks the sixth crewed flight during the application and development phase of China's space station and the 37th flight of the country's manned space program.

Mission Objectives and Crew Composition

The primary objectives for the Shenzhou-21 crew during their approximately six-month stay aboard the Tiangong space station include an in-orbit crew rotation with the Shenzhou-20 crew, conducting extensive space science and application experiments, performing extravehicular activities (EVAs), and managing cargo transfers.

The crew represents a diverse set of expertise. Zhang Lu, who will serve as the mission commander, is a veteran astronaut, having previously participated in the Shenzhou-15 mission. Wu Fei and Zhang Hongzhang are both from China's third batch of astronauts and will be embarking on their maiden spaceflights. Notably, Wu Fei, at 32 years old, will become the youngest Chinese astronaut to participate in a space mission to date.

Pioneering Scientific Experiments

The Shenzhou-21 mission will undertake 27 new scientific and application projects, focusing on key areas such as space life science and biotechnology, aerospace medicine, space materials science, microgravity fluid physics and combustion, and new space technologies.

A significant highlight of the mission is China's first-ever space experiment involving rodent mammals. Four mice—two males and two females—will be flown aboard the spacecraft and raised in orbit. This experiment aims to study the effects of space conditions, including weightlessness and confinement, on the mice's behavior patterns and multi-organ systems. After the mission, the mice will return to Earth for further scientific analysis.

Future Collaborations and Lunar Ambitions

During their six-month tenure, the Shenzhou-21 crew is also expected to welcome the Tianzhou-10 cargo spacecraft and the Shenzhou-22 crewed spaceship. The mission underscores China's ongoing commitment to its ambitious space program, which includes a stated goal of landing a Chinese astronaut on the Moon by 2030. Research and development work for this lunar mission, including the Long March 10 rocket, lunar landing suits, and exploration vehicles, is reportedly progressing smoothly.