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
Mars to Stay Bas Lansdorp to establish a permanent human colony on Mars. Mars One is a Dutch not-for-profit foundation, a "Stichting". The proposal is to send a communication satellite and path finder lander to the planet by 2018 and, after several stages, land four humans on Mars for permanent settlement in 2027. A new set of four astronauts would then arrive every two years. 200,000 applications were started; about 2,500 were complete enough for consideration, from which one hundred applicants have been chosen so far. Further selections are planned to narrow this down to six groups of four before training begins in