Chris Hadfield
1
Steven Smith
2
Fyodor Yurchikhin
3
Scott Altman
4
Clayton Anderson
5
Andre Kuipers
6
Wendy Lawrence
7
Nancy Currie
8
Abdul Ahad Mohmand
9
Kathryn Hire
10
Brent Ward Jett Jr.
11
65 Year Olds
Top Astronauts