China's Shenzhou-21 mission launched from Jiuquan, carrying three astronauts aboard a Long March-2F rocket. Crew includes Zhang Lu, Zhang Hongzhang and Wu Fei, the youngest Chinese astronaut ever sent to space at 32. The mission replaced the Shenzhou-20 team after six months aboard Tiangong, China's permanently inhabited orbital space station. Four black mice accompany the crew for scientific experiments on mammalian reproduction in low-Earth orbit

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