15 Sep 2023, 08:08 UTC · By: Daniel Patrascu / The Martin Marietta Spacemaster was a spaceship design proposed and rejected in the 1960s, it's an aternative take on the Shuttle we know and love
8 Sep 2023, 20:47 UTC · By: Benny Kirk / Martin Marietta had every intention of building a fleet of Spacemaster orbiters had the program gotten the green light from NASA over other companies.