Astronauten
Jing Haipeng
China National Space Administration
Joan Higginbotham
National Aeronautics and Space Administration
Joe Engle
National Aeronautics and Space Administration
Joe F. Edwards Jr.
National Aeronautics and Space Administration
Joey Hyde
Blue Origin
John B. McKay
National Aeronautics and Space Administration
John Casper
National Aeronautics and Space Administration
John D. Olivas
National Aeronautics and Space Administration
John E. Blaha
National Aeronautics and Space Administration
John Glenn
National Aeronautics and Space Administration
John Herrington
National Aeronautics and Space Administration
John L. Phillips
National Aeronautics and Space Administration
John M. Fabian
National Aeronautics and Space Administration
John M. Grunsfeld
National Aeronautics and Space Administration
John M. Lounge
National Aeronautics and Space Administration
John Oliver Creighton
National Aeronautics and Space Administration
John Shoffner
Axiom Space
John Young
National Aeronautics and Space Administration
John-David F. Bartoe
US Navy
Jon Goodwin
Virgin Galactic
Jon McBride
National Aeronautics and Space Administration
Jonny Kim
National Aeronautics and Space Administration
Joseph A. Walker
National Aeronautics and Space Administration
Joseph M. Acaba
National Aeronautics and Space Administration