orbiter. Looking back: Space Shuttle Columbia lifts off on STS-1 from Launch Pad 39A at the Kennedy Space Center on April 12, 1981. Image: NASA. Space Shuttle Endeavour, which will launch on STS-134 at the end of the month on April 29, will be sent to the California Science Center in Los Angeles, California following its retirement. Finally, Atlantis will go on display at the Kennedy Space Center Visitor Complex following the orbiter's last flight which launches June 28. Columbia was lost tragically back on February 1, 2003 when it disintegrated during re-entry killing all seven astronauts aboard. Space Shuttle Challenger was lost when it exploded 73 seconds after liftoff back on January 28, 1986 killing all six aboard. "We want to thank all of the locations that