Human mission to Mars propellant from the Martian Atmosphere. This proposal drew on concepts developed by the former "Case for Mars" conference series. Over the next decade, Zubrin developed it into a mission concept, Mars Direct, which he presented in a book, "The Case for Mars" (1996). The mission is advocated by the Mars Society, which Zubrin founded in 1998, as practical and affordable. In 1991 in Toulouse, France, the International Space University studied an international human Mars mission. They proposed a crew of 8 traveling to Mars in a nuclear-powered vessel with artificial gravity provided by rotation. On the surface, 40 tonne habitats
Mission to Mars: My Vision for Space Exploration Mission to Mars: My Vision for Space Exploration Mission to Mars: My Vision for Space Exploration is a 2013 book written by retired NASA astronaut Buzz Aldrin and Leonard David. The book was released on May 7, 2013 by National Geographic Books. In the book, Aldrin outlines his plan for humans to be able to colonize Mars by the year 2035. The books goes over a number of past and then current space concepts, policy, and future mission concepts. He encouraged future missions to not focus on strictly on Mars exploration, but also on Mars settlement. The books goes beyond