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 ...

After Challenger reshaped NASA’s risk tolerance, Shuttle-C emerged as a bold plan to replace the orbiter with an uncrewed cargo carrier, using the existing shuttle stack to loft massive payloads for ...

Airlines can not afford to fly with empty seats very often – and Space Shuttle orbiters can’t leave valuable payload capacity “on the ground.” Costing hundreds of millions of dollars per flight, NASA ...