A Photo History of the Space Shuttle Program

The Challenger Crew
This group photograph of the fallen astronauts was published broadly after the Challenger disaster as the faces of the crew became familiar to all Americans. They are, back row, from left: Ellison S. Onizuka, Sharon Christa McAuliffe, Gregory B. Jarvis and Judith A. Resnik; front row, from left: Michael J. Smith, Francis R. Scobee and Ronald E. McNair.

• NASA's New Mars Rover 'Curiosity'