In the aftermath of the Challenger disaster, NASA explored Shuttle-C—an uncrewed, shuttle-derived cargo launcher meant to deliver massive payloads, support lunar missions, and enable assembly of ...
When Space Shuttle Discovery touched down for the last time at Kennedy Space Center Runway 15 on March 9, 2011, it brought to an end a 27-year career of spaceflight. Discovery flew to space 39 times, ...