Lego Space Space subtheme in which the entire theme is "good", "bad", or "civilian". Life on Mars is a space theme released in 2001, around a time of increased curiosity about the red planet. The theme revolved around the concept of the lifeforms that could possibly exist on Mars. This was the first Space theme to feature two types of minifigures: human astronauts and Martian aliens. The sets denote peaceful coexistence between the two species on the planet Mars. The "Life on Mars" theme pioneered several unique aspects in Lego in general. It was the first Lego theme to utilize a pneumatic
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,