But it might be a useful trait in an astronaut candidate.
Fisher was selected as an astronaut candidate in January 1978.
The agency has 79 astronauts and 23 astronaut candidates, including three married couples.
Almost 10,000 people registered as astronaut candidates before registration ended in June 2008.
The next class of Astronaut Candidates will be selected in 2013.
How could a person involved in such a case rise within the space agency, which is famous for its psychological screening of astronaut candidates?
Anyone interested in becoming an astronaut candidate must submit an appropriate application.
Auñón was selected as an astronaut candidate in June 2009.
Almost 10 000 people registered as astronaut candidates 2008-06-18.
Yang was selected as an astronaut candidate in 1998 and has trained for space flight since then.
