The Mars One Project plans to establish human settlement on Mars by 2023. A crew of four will depart Earth September 2022 and land on Mars 7 months later April 2023. Every two years after that another group will join them. Aerospace companies around the world have interest in supplying the Mars One project. The project begins in 2016 with a communications satellite, a rover in 2018, living units in 2020 and humans shortly after.