Chris Hadfield
1
Peggy Whitson
2
Carlos Noriega
3
Wendy Lawrence
4
Scott Altman
5
Kathryn Hire
6
Douglas Wheelock
7
Richard Mastracchio
8
Mikhail Korniyenko
9
Timothy Creamer
10
Mikhail Tyurin
11
Doug Wheelock
12
66 Year Olds
Top Astronauts
