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NASA says Christina Koch will become acting deputy chief engineer on Nov. 1, after Katherine Van Hooser retires on Oct. 21. The appointment moves Koch into management astronaut status, making her ineligible for future spaceflight assignments.
NASA has named Christina Koch acting deputy chief engineer, assigning the astronaut and electrical engineer to help lead technical oversight and mission readiness across the agency. The appointment begins Nov. 1, after current Deputy Chief Engineer Katherine Van Hooser retires on Oct. 21; NASA says Koch’s move into management astronaut status will make her ineligible for future spaceflight assignments.
In the acting role, Koch will help lead NASA’s engineering community and support technical oversight, mission readiness and engineering excellence across programs and projects, according to the agency’s announcement. NASA did not describe the appointment as permanent: the title it announced is acting deputy chief engineer.
Koch most recently served as a mission specialist on Artemis II in April. NASA described that mission as the first crewed flight around the Moon in more than 50 years. Before that assignment, she spent 328 consecutive days aboard the International Space Station, a record for the longest single spaceflight by a woman, and took part in the first all-female spacewalks.
Her technical career began at NASA’s Goddard Space Flight Center, where she worked as an electrical engineer developing scientific instruments for space missions. Selected as an astronaut in 2013, she later held leadership roles in the Astronaut Office and at Johnson Space Center. NASA says her experience working on engineering systems on the ground and operating them in space will inform her new responsibilities.
Koch’s Move From Flight to Engineering Leadership
The appointment places an astronaut with both engineering and crewed-flight experience in a senior agency role focused on the technical work behind NASA missions. The deputy chief engineer’s remit, as outlined in the announcement, spans programs and projects rather than a single mission, including oversight and readiness. That makes the position relevant to the agency’s ability to evaluate and coordinate engineering work across its portfolio.
The personal consequence for Koch is also clear: NASA says she will become a management astronaut and will no longer be eligible for future spaceflight assignments. Her appointment therefore marks a change from flight operations to agency leadership. NASA Administrator Jared Isaacman connected the role to the agency’s plans for lunar exploration and other programs, but the announcement does not specify particular projects Koch will oversee.
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The Leadership Handoff at NASA
Van Hooser joined NASA in 1991 at Marshall Space Flight Center, where she began in propulsion engineering. Her work included liquid rocket engine turbomachinery and later leadership as chief engineer for the space shuttle main engine, including the engineering effort through the shuttle program’s final 21 flights. She subsequently became the first chief engineer for the Space Launch System’s Liquid Engines Element.
NASA said Van Hooser became the agency’s deputy chief engineer in 2023, after serving as Marshall’s chief engineer. Her retirement, scheduled for Oct. 21, concludes more than 35 years at NASA. The agency’s announcement presents Koch’s appointment as the next step in that leadership handoff, but does not provide a detailed transition schedule or identify who will cover the role between Van Hooser’s departure and Koch’s Nov. 1 start.
Koch’s background differs from Van Hooser’s propulsion-focused career, but includes engineering work, astronaut operations and leadership. Before her 2013 astronaut selection, Koch also worked in scientific field engineering in Antarctica and the Arctic. NASA cited that range of experience as relevant to leading the agency’s engineering community.
Details NASA Has Not Specified
NASA has not said how long Koch is expected to serve in an acting capacity, whether it plans to appoint a permanent deputy chief engineer, or who will hold the responsibilities during the days between Van Hooser’s Oct. 21 retirement and Koch’s Nov. 1 start. The announcement also does not detail any changes to the engineering office’s structure or assign Koch oversight of specific missions.
The loss of eligibility for future spaceflight assignments is the clearest stated consequence of Koch’s management status. NASA has not provided further details about whether she will continue any Astronaut Office duties or how her responsibilities will be divided across the agency. Those arrangements remain unspecified in the announcement.
Koch Takes Up the Role Nov. 1
The scheduled next step is Van Hooser’s retirement on Oct. 21, followed by Koch beginning as acting deputy chief engineer on Nov. 1. NASA has not announced additional milestones for the appointment, including a decision on whether the acting role will become permanent.
Once in the post, Koch is expected to help lead the agency’s engineering community, with work spanning technical oversight and mission readiness. Further details about her portfolio, the leadership transition and any permanent appointment would clarify how NASA intends to organize the office going forward.
Key Questions
When does Christina Koch become acting deputy chief engineer?
NASA says Koch’s appointment begins Nov. 1.
Why is Katherine Van Hooser leaving the role?
NASA says Van Hooser will retire on Oct. 21, concluding more than 35 years of service to the agency.
Can Koch fly on future NASA missions?
NASA says the appointment moves Koch into management astronaut status, making her ineligible for future spaceflight assignments.
What will Koch do as acting deputy chief engineer?
She will help lead NASA’s engineering community and support technical oversight, mission readiness and engineering work across agency programs and projects. NASA has not listed specific projects under her oversight.
Has NASA said whether the appointment is permanent?
No. NASA announced Koch as acting deputy chief engineer and has not specified how long she will serve or whether it will name a permanent deputy.
Source: primary
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