


Image credit: Glenn L. Martin Company / Martin Marietta
Image source: Mike Acs

This artist’s concept from 1962 show a three hundred-sixty ton spaceship, powered by a forty-megawatt nuclear-electric power plant, transporting a three-man crew to Mars. As envisioned by Marshall Space Flight Center engineers, a five-ship convoy would make the round trip journey in about five hundred days.
Image credit: NASA MSFC
Image source: NASA Images

Image credit: NASA
Image source: NASA NTRS

Image credit: Grumman
Image source: Cradle of Aviation Museum

S92-49970 (February 1992) — (Artist’s concept of possible exploration programs.( Passing from sunlight into the Earth-lit shadow of the Moon, a nuclear thermal transfer vehicle prepares to dock with a lunar lander. Using a building block approach, a Mars transfer vehicle could be constructed from components common to the lunar stage. Artwork by Pat Rawlings, of SAIC.
Image credit: NASA
Image source: National Johnson

Image credit: NASA
Image source: National Archives

Image credit: Boeing
Image source: NASA NTRS

Image credit: NASA
Image source: National Archives

Image credit: Grumman
Image source: Cradle of Aviation Museum