Astronauts

Warren Hoburg

National Aeronautics and Space Administration

Wendy B. Lawrence

National Aeronautics and Space Administration

William Anders

National Aeronautics and Space Administration

William A. Pailes

United States Air Force

William B. Lenoir

National Aeronautics and Space Administration

William Brian Binnie

Virgin Galactic

William C. McCool

National Aeronautics and Space Administration

William E. Thornton

National Aeronautics and Space Administration

William F. Readdy

National Aeronautics and Space Administration

William Frederick Fisher

National Aeronautics and Space Administration

William G. Gregory

National Aeronautics and Space Administration

William H. Dana

National Aeronautics and Space Administration

William J. Knight

National Aeronautics and Space Administration

William Oefelein

National Aeronautics and Space Administration

William R. Pogue

National Aeronautics and Space Administration

William Shatner

Blue Origin

William Shepherd

National Aeronautics and Space Administration

William S. McArthur

National Aeronautics and Space Administration

Winston E. Scott

National Aeronautics and Space Administration

Wubbo Ockels

European Space Agency

Xinlin Jiang

China National Space Administration

Yang Liwei

China National Space Administration

Yangzhu Zhu

China National Space Administration

Ye Guangfu

China National Space Administration

Yelena Kondakova

Russian Federal Space Agency (ROSCOSMOS)

Yelena Serova

Russian Federal Space Agency (ROSCOSMOS)

Yevgeny Khrunov

Russian Federal Space Agency (ROSCOSMOS)

Yi So-yeon

Korean Astronaut Program

Yozo Hirano

Space Adventures

Yulia Peresild

Russian Federal Space Agency (ROSCOSMOS)

Yuri Baturin

Russian Federal Space Agency (ROSCOSMOS)

Yuri Gagarin

Russian Federal Space Agency (ROSCOSMOS)

Yuri Gidzenko

Russian Federal Space Agency (ROSCOSMOS)

Yuri Malenchenko

Russian Federal Space Agency (ROSCOSMOS)

Yuri Shargin

Russian Federal Space Agency (ROSCOSMOS)

Yury Artyukhin

Russian Federal Space Agency (ROSCOSMOS)