Biographies of U.S. Astronauts


Tracy Caldwell


Tracy Caldwell Dyson

hi res version (950 KB)

more photos

Personal data

Birthdate:  14.08.1969
Birthplace:  Arcadia, California
Marital status:  married
Children:  none
Selection date:  04.06.1998
Selection group:  NASA-17
Position:  MSP
Status:  active


No. Mission Position Time Duration
1  STS-118 Endeavour  MS  08.08. - 21.08.2007 12d 17h 55m 
2  Soyuz TMA-18 / ISS-23 / ISS-24  Flight Engineer  02.04. - 25.09.2010 176d 01h 18m 
3  Soyuz MS-25 / ISS-70 / ISS-71  Flight Engineer  23.03.2024

Total (old)  188d 19h 13m 
Total (new) 

Patch Soyuz MS-25 Patch ISS-70 Patch ISS-71

Backup assignments

No. Mission Position
1  Soyuz MS-24  Flight Engineer

Additional information

Bachelor of science in chemistry from the California State University at Fullerton, 1993; Ph.D. in physical chemistry from the University of California at Davis, 1997; until her selection she worked at the University of California, Davis; hobbies: Running, weight training, hiking, softball, basketball, auto repair/maintenance, spending time with her family and her dog; as an undergrauate she was a sprinter and longjumper; she is fluent in American Sign Language (ASL) and conversational in Spanish and Russian. At the time of STS-118 Endeavour her name was "Tracy Ellen Caldwell" and at the time of Soyuz TMA-18 / ISS-23 / ISS-24 her name was "Tracy Ellen Caldwell-Dyson".


Last update on April 06, 2024.