NASA has announced the retirement of veteran astronaut and test pilot Butch Wilmore, concluding a remarkable 25-year career that saw him serve as a crucial bridge between the Space Shuttle era and the modern age of commercial spaceflight. Wilmore’s distinguished service is highlighted by his rare accomplishment of flying aboard four different types of human-rated spacecraft.
Since his selection by NASA in 2000, the decorated U.S. Navy Captain has logged an impressive 464 days in space. His career path reflects the evolution of human spaceflight itself, with missions on the Space Shuttle Atlantis in 2009, a Russian Roscosmos Soyuz in 2014, the first crewed flight of Boeing’s Starliner in 2024, and a return journey to Earth aboard a SpaceX Dragon capsule. In addition to his time inside spacecraft, Wilmore also completed five spacewalks, totaling 32 hours outside the International Space Station.
Robert Markowitz/NASA
NASA leadership praised Wilmore’s immense contribution to the agency. “Butch’s commitment to NASA’s mission and dedication to human space exploration is truly exemplary,” said Steve Koerner, acting director of NASA’s Johnson Space Center. Joe Acaba, chief of the Astronaut Office, added, “Throughout his career, Butch has exemplified the technical excellence of what is required of an astronaut. His mastery of complex systems, coupled with his adaptability and steadfast commitment to NASA’s mission, has inspired us all.”
Wilmore’s legacy is firmly cemented in his pioneering work with the Commercial Crew Program. As commander of the first crewed flight of Boeing’s Starliner, he was instrumental in validating the systems of a new generation of spacecraft, ensuring their safety and reliability for future astronaut crews. His experience across multiple platforms made him uniquely qualified for this critical role.
In a final reflection on his career, Wilmore shared his profound perspective. “From my earliest days, I have been captivated by the marvels of creation, looking upward with an insatiable curiosity,” he said. “This curiosity propelled me into the skies, and eventually to space, where the magnificence of the cosmos mirrored the glory of its creator in ways words can scarcely convey.”
The retirement of Butch Wilmore marks the end of a significant chapter for NASA. His career not only represents incredible personal achievement but also symbolizes the successful transition of human spaceflight into a new era of commercial partnership, a transition he helped make possible through his skill, courage, and unwavering dedication.