Project Mars: Including a Scientific Appendix, Calculations and Drawings by Von Braun

The Project Mars is a technical specification for a manned mission to Mars that von Braun wrote in 1948. The expected launch date was 1965. He envisioned an "enormous scientific expedition" involving a fleet of ten spacecraft with 70 crew members that would spend 443 days on the surface of Mars before returning to Earth. The spacecraft, seven passenger ships and three cargo ships, would be assembled in Earth orbit using materials supplied by reusable space shuttles. Hohmann trajectories wou...