Goodbye, Gerst: Longtime Human Spaceflight Leader Removed From Post

William Gerstenmaier

NASA Administrator Jim Bridenstine shook up management of the space agency’s effort to send astronauts back to the moon by 2024 on Wednesday by removing long-time associate administrator for Human Exploration and Operations (HEO) William Gerstenmaier from a post he held for 15 years.

“Effective immediately, Ken Bowersox will serve as Acting Associate Administrator for HEO,” Bridenstine said in a memo. “Bowersox, who previously served as the Deputy Associate Administrator for HEO, is a retired U.S. Naval Aviator with more than two decades of experience at NASA. He is an accomplished astronaut and a veteran of five space shuttle missions and served as commander on the International Space Station.”

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