系统工程师艾伦·陈
Perseverance entry, descent, and landing lead Allen Chen gives remarks during a NASA Perseverance rover mission landing update Feb. 17, 2021, at NASA’s Jet Propulsion Laboratory. The Perseverance Mars rover landed on Mars Feb. 18, 2021. A key objective for Perseverance’s mission on Mars is astrobiology, including the search for signs of ancient microbi...