William Shepherd

William McMichael Shepherd (born July 26, 1949), (Capt, USN, Ret.), is an American former Navy SEAL, aerospace, ocean, and mechanical engineer, and NASA astronaut, who served as commander of Expedition 1, the first crew on the International Space Station. He is a recipient of the Congressional Space...

1 story • Updated Nov 2, 2025
William Shepherd
Science

"25 Years of Continuous Human Habitation: ISS Celebrates Unbroken Space Milestone"

42 sources Oct 31, 2025