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NASA Astronaut Barry “Butch” WilmoreNASA/Aubrey Gemignani

After 25 years at NASA, flying in four different spacecraft, accumulating 464 days in space, astronaut and test pilot Butch Wilmore has retired from NASA.

The Tennessee native earned a bachelor’s and a master’s degree in electrical engineering from Tennessee Technological University and a master’s degree in aviation systems from the University of Tennessee.

Wilmore is a decorated U.S. Navy captain who has flown numerous tactical aircraft operationally while deploying aboard four aircraft carriers during peacetime and combat operations. A graduate of the U.S. Naval Test Pilot School, he went on to serve as a test pilot before NASA selected him to become an astronaut in 2000.

“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 in Houston. “His lasting legacy of fortitude will continue to impact and inspire the Johnson workforce, future explorers, and the nation for generations. On behalf of NASA’s Johnson Space Center, we thank Butch for his service.”

During his time at NASA, Wilmore completed three missions launching aboard the space shuttle Atlantis, Roscosmos Soyuz, and Boeing Starliner to the International Space Station. Wilmore also returned to Earth aboard a SpaceX Dragon spacecraft. Additionally, he conducted five spacewalks, totaling 32 hours outside the orbital laboratory.  

“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,” said Joe Acaba, chief of the Astronaut Office at NASA Johnson. “As he steps into this new chapter, that same dedication will no doubt continue to show in whatever he decides to do next.”

Most recently, Wilmore launched aboard Boeing’s Starliner spacecraft on June 5, 2024, for its first crewed flight test mission, arriving at the space station the following day. While aboard the station, Wilmore completed numerous tasks, including a spacewalk to help remove a radio frequency group antenna assembly from the station’s truss and collected samples and surface material for analysis from the Destiny laboratory and the Quest airlock.

“From my earliest days, I have been captivated by the marvels of creation, looking upward with an insatiable curiosity. 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,” said Wilmore. “Even as I ventured beyond Earth’s limits, I remained attuned to the beauty and significance of the world below, recognizing the same intricate design evident among the stars is also woven into the fabric of life at home.”

Learn more about how NASA explores the unknown and innovates for the benefit of humanity at:

https://www.nasa.gov/

Courtney Beasley

Johnson Space Center, Houston

281-910-4989

courtney.m.beasley@nasa.gov

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This view of tracks trailing NASA's Curiosity rover was captured July 26, 2025, as the rover simultaneously relayed data to a Mars orbiter.

This view of tracks trailing NASA’s Curiosity rover was captured July 26, 2025, as the rover simultaneously relayed data to a Mars orbiter.NASA/JPL-Caltech

NASA’s Curiosity rover captured a view of its tracks on July 26, 2025. The robotic scientist is now exploring a region of lower Mount Sharp, a 3-mile-tall (5-kilometer-tall) mountain. The pale peak of the mountain can be seen at top right; the rim of Gale Crater, within which the mountain sits, is on the horizon at top left. Curiosity touched down on the crater floor 13 years ago.

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Image credit: NASA/JPL-Caltech

This view of tracks trailing NASA’s Curiosity rover was captured July 26, 2025, as the rover simultaneously relayed data to a Mars orbiter.NASA/JPL-Caltech

NASA’s Curiosity rover captured a view of its tracks on July 26, 2025. The robotic scientist is now exploring a region of lower Mount Sharp, a 3-mile-tall (5-kilometer-tall) mountain. The pale peak of the mountain can be seen at top right; the rim of Gale Crater, within which the mountain sits, is on the horizon at top left. Curiosity touched down on the crater floor 13 years ago.

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Image credit: NASA/JPL-Caltech

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Nathan Jermyn frequented NASA Stennis on field trips when he was younger. Now, he works as an attorney-advisor supporting NASA Stennis and the NASA Shared Services Center. NASA/Danny Nowlin

Before Nathan Jermyn could dig into the legal frameworks at NASA, he had to answer a different call.

Jermyn participated in a one-day orientation in the summer of 2023 to begin work as an attorney-advisor supporting NASA’s Stennis Space Center and the NASA Shared Services Center near Bay St. Louis, Mississippi.

However, the Biloxi, Mississippi, native shipped out just a week later with the Mississippi Army National Guard to provide military legal counsel for nearly six months in support of Operation Spartan Shield and Operation Inherent Resolve.

The decorated military veteran returned to NASA in January 2024 to fully immerse himself as a member of the contract and procurement practice group for the NASA Office of the General Counsel.

“Even though I have been working here for two years, sometimes it does not feel real,” Jermyn said.

As a member of the contract and procurement law team, Jermyn assists with contract- and procurement-related topics for NASA Stennis and the NASA Shared Services Center to ensure taxpayer funds are used responsibly.

He also is a member of NASA’s Freedom of Information Act (FOIA) team and provides legal reviews and advice for FOIA requests as the agency creates a cohesive and effective knowledge-sharing environment.

The most interesting thing about his work is seeing how the big picture comes together, how each small detail and decision adds up to something more meaningful.  

“Our office is a small piece, and it is amazing to see how our efforts intertwine with NASA Stennis and the NASA Shared Services Center operations and NASA,” he said. “It is also amazing the lengths everyone will go to help each other accomplish the mission.”

Before joining NASA, Jermyn graduated from The University of Southern Mississippi with a bachelor’s degree in business administration and a law degree from Mississippi College School of Law.

The Gulfport, Mississippi, resident initially practiced criminal law. Jermyn credits the team he works with at NASA for helping him navigate the complexities of government contract law.

“Having a team that supports you and teaches you every day really expedites the learning process,” he said. “Our team puts a heavy emphasis on learning, development, and teamwork.”

Jermyn is most excited to see how NASA continues to explore the universe moving forward, which includes the Artemis campaign of exploring the Moon for scientific discovery, economic benefits, and to build the foundation for the first crewed missions to Mars. Artemis II is scheduled for 2026.

“I wholeheartedly believe humanity is destined for the stars and NASA is in prime position to lead that charge,” he said.

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