Mike Fincke, a 30-year astronaut with experience across four spacecraft, retires from NASA
Mike Fincke trained on the Boeing CST-100 Starliner side of the Commercial Crew Program from January 2019 until his reassignment to the SpaceX Crew-11 mission. His fourth and final mission to the International Space Station launched on Aug. 1, 2025.
Published by Spaceflight Now on 08/12/2026