According to reports, Elon Musk and SpaceX are planning to send rockets to Mars in coming years. Elon Musk who is founder, CEO and CTO of SpaceX CEO claimed during the 74th International Astronomical video-conference that it would take the company four years for successful unmanned landing on Mars. Elon Musk Plans For Mars: Unmanned Test Landing Possible on Red Planet in Next Four Years, Says SpaceX CEO.