Biographies of U.S. Astronauts
WalkerShannonUSA |  |
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Personal data
| Birthdate: | 04.06.1965 |
| Birthplace: | Houston, Texas |
| Marital status: | married |
| Children: | |
| Selection date: | 06.05.2004 |
| Selection group: | NASA-19 |
| Position: | MSP |
| Status: | Ret. 10.07.2025 |
Spaceflights
| No. | Mission | Position | Time | Duration |
| 1 | Soyuz TMA-19/ISS-24 /ISS-25 | Flight Engineer | 15.06.2010 - 26.11.2010 | 163d 07h 11m |
| 2 | SpaceX Crew-1 /ISS-64 /ISS-65 | MS /Flight Engineer /ISS-CDR | 16.11.2020 - 02.05.2021 | 167d 06h 29m |
| 3 | ||||
| 4 | ||||
| 5 | ||||
| 6 | ||||
| 7 | ||||
| Total | 330d 13h 40m | |||
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Backup assignments
| No. | Mission | Position |
| 1 | SoyuzTMA-16 | Flight Engineer |
| 2 | SoyuzMS-06 | Flight Engineer |
Additional information
Bachelor of Science in Physics from the Rice University, 1987; Master of Science in Astrophysics from the Rice University, 1992;Ph.D. in Astrophysics from the Rice University, 1993; semi-finalist inNASAastronaut groups 15,16,17 and18 selections; at the time of selection Acting Manager, On-Orbit Engineering Office, International Space Station (ISS) Office, Johnson Space Center; hobbies: cooking, soccer, running, weight training, flying, camping, and travel. |
 | Last update on July 12, 2025.  |  |