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