Clayton Anderson
1
Michael López-Alegría
2
Steven Smith
3
Abdul Ahad Mohmand
4
Andre Kuipers
5
Fyodor Yurchikhin
6
John Herrington
7
Nancy Currie
8
Gennady Padalka
9
Thomas Reiter
10
Brent Ward Jett Jr.
11
Peter Wisoff
12
Sergei Treshchov
13
65 Year Olds
Top Astronauts