NASA Names Astronaut Christina Koch Acting Deputy Chief Engineer
acting deputy chief engineer
A senior role that helps guide engineering work across NASA.
management astronaut status
A status for an astronaut who now leads work from the ground.
Artemis II
NASA’s crewed mission that flew around the Moon.
What happened
NASA announced on October 13 that astronaut and engineer Christina Koch will become acting deputy chief engineer. She starts on November 1. The appointment follows Katherine Van Hooser’s retirement on October 21, after more than 35 years at NASA.
Acting means Koch will hold the role while NASA’s longer-term arrangement remains undecided. Her job will help lead NASA’s engineering community. She will support technical oversight, mission readiness, and engineering quality across programs and projects.
A career connecting design and flight
Koch recently served as a mission specialist on Artemis II in April 2026. NASA describes that mission as the first crewed flight around the Moon in more than 50 years. Before that, Koch spent 328 consecutive days aboard the International Space Station. That set the record for the longest single spaceflight by a woman. She also joined the first all-female spacewalks.
Her engineering career began at NASA’s Goddard Space Flight Center. She developed scientific instruments for space missions. She also worked in scientific field engineering in Antarctica and the Arctic. After becoming an astronaut in 2013, she held leadership roles in NASA’s Astronaut Office and at Johnson Space Center.
That background gives Koch experience on both sides of a mission. She has helped build space hardware. She has also depended on it while living in space. NASA’s announcement presents that combination as a central reason for the appointment.
Why the role matters
NASA missions depend on many connected systems. They include rockets, spacecraft, ground equipment, crew training, and mission operations. An agency-wide engineering leader does not manage only one vehicle. The role looks across programs and asks whether technical work and preparation are ready.
NASA’s announcement links the appointment to future goals. Those goals include returning people to the lunar surface, building a Moon Base, developing nuclear power in space, and preparing capabilities for Mars. The release does not say Koch will personally run any one of those projects. It says she will help guide engineering work across the agency.
What is confirmed
Koch will move into management astronaut status. She will no longer be eligible for future spaceflight assignments. This is a change in career path. She will support NASA from the ground instead of remaining available for another crew assignment.
Van Hooser joined NASA in 1991 at Marshall Space Flight Center. She worked in propulsion engineering and led work connected with the Space Shuttle main engine. She later became the first chief engineer for the Space Launch System’s Liquid Engines Element. NASA says she provided agency-wide technical leadership as deputy chief engineer from 2023.
What remains unknown
The release does not name Koch’s first priorities. It also does not state how long she will remain acting deputy chief engineer. It does not announce when NASA will choose a permanent successor.
What to watch next
The first useful marker is November 1, when Koch begins the job. After that, observers can watch which technical questions she emphasizes. They can also watch how her spaceflight experience affects reviews and mission readiness.
This is not a new rocket announcement. It is a leadership change inside NASA’s engineering system. It shows the agency placing a former space station and lunar mission crew member in a role that oversees technical work across NASA. Read NASA’s official release for the announcement and background.
Astronaut Christina Koch Will Guide NASA’s Engineering Teams
📰 Full story: NASA Names Astronaut Christina Koch Acting Deputy Chief Engineer
Christina Koch has flown around the Moon. Now she will lead engineering work on Earth.
acting deputy chief engineer
A temporary job that helps guide NASA’s engineering work.
mission readiness
Whether a mission is prepared to begin safely.
Artemis II
NASA’s crewed flight around the Moon.
💡 The gist
- Koch becomes NASA’s acting deputy chief engineer on November 1.
- She will help check technology and mission readiness across NASA.
- She will not receive future spaceflight assignments in this role.
NASA announced Koch’s new job on October 13. She is an astronaut and engineer. She will help lead NASA’s engineering community. This means supporting people who design, test, and prepare space technology.
The deputy chief engineer looks across many NASA projects. These projects can include rockets, spacecraft, and mission preparations. The job checks whether technical work is ready. It also helps different engineering groups work together.
Koch brings unusual experience to this job. She first worked as an electrical engineer at NASA. She helped develop instruments for space missions. She also worked in Antarctica and the Arctic. Those jobs involved supporting science in difficult places.
Koch later became an astronaut. She spent 328 straight days aboard the International Space Station. That was the longest single spaceflight by a woman. She also joined the first all-female spacewalks.
In April 2026, Koch flew on Artemis II. The mission carried people around the Moon. NASA called it the first crewed Moon flight in more than 50 years. Koch therefore understands both engineering work and space operations.
Her appointment changes her career path. NASA will place her in management astronaut status. She will no longer qualify for future spaceflight assignments. She will now support missions from the ground.
Katherine Van Hooser held the job before Koch. Van Hooser will retire on October 21. She worked at NASA for more than 35 years. Her work included Space Shuttle engines and the Space Launch System.
NASA has not announced Koch’s first priorities. It has not announced how long the acting job will last. The agency also has not named a permanent successor.
The next key date is November 1. Watch which programs Koch discusses first. Her choices may show where NASA sees its biggest technical needs. Read NASA’s official release for the full announcement.
Christina Koch Will Help NASA’s Space Builders
📰 Full story: NASA Names Astronaut Christina Koch Acting Deputy Chief Engineer
Christina Koch has flown near the Moon. Now she will help NASA on Earth.
NASA
The American group that studies space.
astronaut
A person who travels into space for work.
International Space Station
A place in space where people live and work.
NASA is America’s space agency.
Christina Koch is an astronaut and engineer there.
She will start a new job on November 1.
She will help NASA’s space builders work together.
She will check if their space machines are ready.
Koch has lived in space before.
She lived on the International Space Station.
She also flew around the Moon on Artemis II.
This experience helps her understand space machines.
She will now work on Earth.
She will not fly on another NASA mission.
NASA has not said her first task yet.
We will learn more after November 1.
Read NASA’s announcement.