Shannon Walker
| Shannon Walker | |
|---|---|
| Walker in 2020 | |
| Born | June 4, 1965 | 
| Education | Rice University (BS, MS, PhD) | 
| Spouse | Andy Thomas | 
| Space career | |
| NASA astronaut | |
| Time in space | 330d 13h 40m | 
| Selection | NASA Group 19 (2004) | 
| Missions | Soyuz TMA-19 (Expedition 24/25) SpaceX Crew-1 (Expedition 64/65) | 
| Mission insignia | |
Shannon Walker (born June 4, 1965) is an American physicist and a NASA astronaut selected in 2004. She launched on her first mission into space on June 25, 2010, onboard Soyuz TMA-19 and spent over 163 days in space.
She returned to space for her second long-duration mission on November 15, 2020, onboard SpaceX Crew-1, the first operational flight of SpaceX's Crew Dragon spacecraft.