Astronauts

Francisco Rubio

National Aeronautics and Space Administration

Franco Malerba

Italian Space Agency

Frank Borman

National Aeronautics and Space Administration

Frank De Winne

European Space Agency

Frank L. Culbertson Jr.

National Aeronautics and Space Administration

Franklin Chang Díaz

National Aeronautics and Space Administration

Franz Haider

Virgin Galactic

Franz Viehböck

Austrian Space Agency

Frederick D. Gregory

National Aeronautics and Space Administration

Frederick "Rick" Hauck

National Aeronautics and Space Administration

Frederick W. Leslie

National Aeronautics and Space Administration

Frederick W. Sturckow

Virgin Galactic