Biographies of U.S. Astronauts


Jeffrey Nels


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Personal data

Birthdate:  18.01.1958
Birthplace:  Superior, Wisconsin
Marital status:  married
Children:  two
Selection date:  01.05.1996
Selection group:  NASA-16
Position:  MSP
Status:  Ret. ??.07.2020


No. Mission Position Time Duration
1  STS-101 Atlantis  MS  19.05.2000 - 29.05.2000 9d 20h 09m 
2  Soyuz TMA-8 / ISS-13  Flight Engineer  30.03.2006 - 29.09.2006 182d 22h 43m 
3  Soyuz TMA-16 / ISS-21 / ISS-22  Flight Engineer / ISS-CDR  30.09.2009 - 18.03.2010 169d 04h 09m 
4  Soyuz TMA-20M / ISS-47 / ISS-48  Flight Engineer / ISS-CDR  18.03.2016 - 07.09.2016 172d 03h 47m 
Total  534d 02h 48m 
Patch Soyuz TMA-20M Patch ISS-47 Patch ISS-48

Backup assignments

No. Mission Position
1  Soyuz TMA-7  Flight Engineer
2  Soyuz TMA-14  Flight Engineer
3  Soyuz TMA-16M  Flight Engineer

Additional information

Bachelor of science in applied sciences and engineering from U.S. Military Academy, West Point, 1980; master of science in aeronautical engineering and degree of aeronautical engineer from U.S. Naval Postgraduate School, both 1987; master of arts in national security and strategic studies from U.S. Naval War College, 1986; Colonel, USA, Ret. (in June 2007); unsuccessful application for NASA astronaut groups 12 and 14; Chief of Operations Development Office, Flight Crew Operations Directorate, NASA; hobbies: Running, fishing, camping, skiing, scuba diving, woodworking, parachuting.

Personal patch


Last update on July 23, 2020.