This undated photo shows the Shenzhou-21 crew — Zhang Lu (C), Wu Fei (R) and Zhang Hongzhang (L). Credit: Xinhua China is preparing to send a new group of astronauts to its space station, as the China Manned Space Agency (CMSA) officially announced that Zhang Lu, Wu Fei, and Zhang Hongzhang will form the crew of the upcoming Shenzhou-21 mission. Zhang Lu will serve as the mission commander, leading his team on a journey that marks another important milestone in China’s expand