Mars to Stay to 30, thereby beginning a Martian settlement. Since the Martian surface offers all the natural resources and elements necessary to sustain a robust, mature, industrialized human settlement—unlike, for example the Moon—a permanent Martian settlement is thought to be the most effective way to ensure that humanity becomes a space-faring, multi-planet species. Through the use of digital fabricators and in vitro fertilisation it is assumed a permanent human settlement on Mars can grow organically from an original thirty to forty pioneers. A Mars to Stay mission following Aldrin's proposal would enlist astronauts in the following timeline: As Aldrin has said, "who
Space Exploration Alliance of establishing a permanent lunar base before follow-on efforts are made to move on to the planet Mars and beyond. The organizations involved in supporting the Space Exploration Alliance include: Collectively these groups total almost one million Americans as members or as employees of member companies. The first goal of the SEA was to work toward receiving broad Congressional support for the new national Vision for Space Exploration outside low Earth orbit, which the SEA refers to as "Moon, Mars and Beyond". The SEA began their effort by working together on a "Moon-Mars Blitz" campaign on Capitol Hill in Washington,