Veteran NASA astronaut Butch Wilmore has retired after 25 years of service, after completing the troubled Boeing Starliner mission. Wilmore, who flew on four different spacecraft and logged 464 days in space,

Astronaut Barry "Butch" Wilmore is leaving NASA after a quarter-century of service. Wilmore spent a total of 464 days off Earth during his three spaceflights.

One of NASA's two previously stuck astronauts has retired. NASA announced Butch Wilmore's departure from the space agency on Wednesday.