NASA astronaut Butch Wilmore retires after completing extended space mission

In his last mission, Wilmore spent an unplanned nine months in space after his spacecraft encountered technical failures

By Web Desk
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August 07, 2025

NASA astronaut Butch Wilmore retires after completing extended space mission

National Aeronautics and Space Administration (NASA) astronaut Barry Butch Wilmore has retired after serving 25 years in space exploration. During his distinguished career, he spent nine-months in space due to an unexpected spacecraft malfunction.

The mission was initially planned for a duration of eight days to the International Space Station (ISS) in June 2024. However, Wilmore and his fellow astronaut Suni Williams were stranded in orbit, spending months after their Boeing Starliner spacecraft encountered technical issues.

Without panic, both astronauts showed extreme patience and continued their mission till the malfunction was resolved.

The mission was intended to be a routine crewed test flight for the Starliner but it turned into a global saga when the thrusters of the capsule stalled during approach to the ISS.

To resolve the issue, Mission Control Center intervened and helped astronauts restart the thrusters to dock. But the spacecraft was later deemed unsafe for its return.

This left Wilmore and Williams waiting almost nine months before they finally returned safely to Earth in March 2025 aboard a SpaceX capsule.

On return, both astronauts underwent extensive rehabilitation to readjust to gravity, including rigorous exercise regimens to counteract the effects of prolonged spaceflight.

In an official statement, NASA honoured Wilmore's dedication throughout his career and marked it as “truly exemplary.”

During his service at NASA, Wilmore flew four different spacecraft accumulating 464 days in space. This marks the highest number of days being spent in space among American astronauts.

Wilmore joined NASA in 2000. Earlier, he served as a test pilot which brought him invaluable expertise to the astronaut corps.

Even after retirement, Wilmore may continue to contribute to research at NASA studying the long-term impacts of space travel on the human body.

In his farewell remarks, Wilmore shared his passion for exploration stating: “An insatiable curiosity propelled me into space, yet I always maintained a connection to Earth.”

Sharing his perspective on space exploration, he noted: “Even as I ventured beyond Earth's limits, I remained attuned to the beauty and significance of the world below.”

Stephen Koerner, Acting Director of NASA’s Johnson Space Center appreciated the legacy of Wilmore by saying: “His lasting fortitude will continue to impact and inspire future explorers and the nation for generations.”