Specialist 3), Gregory B. Jarvis (Payload Specialist 1), and Sharon Christa McAuliffe (Payload Specialist 2 and first Teacher-in-Space).   2003 February 1: Explosion of the Space Shuttle Columbia ( Mission STS-107 ), during re-entry, which included seven astronauts: Colonel Rick Husband (Commander), William McCool (Pilot), Colonel Michael Anderson (Payload Commander), Captain David Brown