NASA Astronaut Mike Fincke Retires After 30 Years
After 30 years of service, NASA astronaut Mike Fincke retires, leaving a legacy of four missions, 549 days in orbit, and nine spacewalks.

The update
NASA astronaut Mike Fincke has retired from the space agency after 30 years of service. Fincke departs as the fourth-most flown astronaut in NASA history, having accumulated 549 days in space across four missions and completing nine spacewalks.
His career highlights include two commands of the International Space Station. Most recently, he served as pilot on SpaceX’s Crew-11 mission and commander of Expedition 74 from August 2025 to January 2026.
Why it matters
Fincke’s departure marks the end of an era for NASA’s human spaceflight leadership. As Chief of the Astronaut Office’s Commercial Crew Branch, he played a key role in preparing the agency for future crewed missions. His experience bridges the gap between the ISS era and the next generation of exploration.
What to watch
Fincke’s transition will impact the leadership structure of NASA’s Commercial Crew program. The agency is currently preparing for upcoming missions, and his mentorship of the next generation of astronauts will be a critical factor in maintaining continuity in operations.



