Astronauten
George Nield
Blue Origin
Georgi Ivanov
Russian Federal Space Agency (ROSCOSMOS)
Georgy Beregovoy
Russian Federal Space Agency (ROSCOSMOS)
Georgy Dobrovolsky
Russian Federal Space Agency (ROSCOSMOS)
Georgy Grechko
Russian Federal Space Agency (ROSCOSMOS)
Georgy Shonin
Russian Federal Space Agency (ROSCOSMOS)
Gerald P. Carr
National Aeronautics and Space Administration
Gerhard Thiele
European Space Agency
Gherman Titov
Russian Federal Space Agency (ROSCOSMOS)
Giorgio Manenti
Virgin Galactic
Glen de Vries
Blue Origin
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Gopi Thotakura
Blue Origin
Gordon Cooper
National Aeronautics and Space Administration
Gregory C. Johnson
National Aeronautics and Space Administration
Gregory Chamitoff
National Aeronautics and Space Administration
Gregory H. Johnson
National Aeronautics and Space Administration
Gregory Harbaugh
National Aeronautics and Space Administration
Gregory Jarvis
Hughes Aircraft
Gregory Olsen
American
Gregory R. Wiseman
National Aeronautics and Space Administration
Gregory T. Linteris
National Aeronautics and Space Administration
Gretchen Green
Blue Origin
Gui Haichao
China National Space Administration
Guion Bluford
National Aeronautics and Space Administration