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TMRO Report
Space

NASA Astronaut Jonny Kim Departs Agency to Continue Military Service

After nearly a decade at NASA, astronaut Jonny Kim's last day is Thursday; he will continue as a Navy lieutenant commander.

By TMRO Staff·1 min read

Key points

  • Jonny Kim's last day at NASA is Thursday.
  • He served nearly a decade at NASA.
  • He completed an eight-month ISS science expedition.
  • He will continue as a Navy lieutenant commander.
  • He launched to ISS in April 2025 on Soyuz MS-27.

What happened

NASA astronaut Jonny Kim is leaving the agency after nearly a decade of service. His last day at NASA is Thursday, according to a NASA news release. Kim will continue his career as a lieutenant commander in the U.S. Navy.

Kim's time at NASA included an eight-month science expedition aboard the International Space Station. He launched to the station in April 2025 aboard the Soyuz MS-27 spacecraft.

Why it matters

Kim's departure highlights the career paths available to astronauts, who often maintain military commitments alongside their spaceflight duties. His return to the Navy reflects the ongoing partnership between NASA and the armed forces in human spaceflight.

Why it matters

Kim's departure marks the end of a notable NASA career that included a significant long-duration mission. His return to active military service underscores the ongoing relationship between NASA and the U.S. military, as astronauts often balance dual roles.

Sources

TMRO Report writes original coverage based on the material listed above.