Barry Eugene "Butch" Wilmore is an American NASA astronaut and United States Navy test pilot. He has had three spaceflights, the first of which was an 11-day Space Shuttle mission in November 2009, to the International Space Station. Wilmore was designated as pilot with five other crew members on Space Shuttle
Atlantis for the mission STS-129. He served as part of Expedition 41 to the International Space Station, and in 2024 returned to the ISS on the Boeing Crew Flight Test, the first crewed mission of the Boeing Starliner. As of October 2024, he is in space and is set to return to Earth in 2025.