Billionaire Elon Musk said his SpaceX space exploration technology corporation plans to launch about five unmanned spacecraft to Mars in the next two years.
SpaceX will use the floating outer space airport for takeoff and landing operations of the Starship carrying people to Mars and the Moon.
Elon Musk aims to send 100 people to Moon and Mars at the same time with a fully reusable Starship rocket and spacecraft model.
The US Department of Defense will give half a million dollars to people who come up with a way to realize the Star Trek movie - bringing people to a star.
In July 2016, the robots began delivering food and groceries in four major cities: London, Bern, Humburg and Dusseldorf.