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