Technology currently being tested on the International Space station

United Launch Alliance will team with billionaire Robert Bigelow

Will hinge on space taxis being developed by SpaceX, Boeing and others

The first private space station is set to be an inflatable - and could launch in 2020.

United Launch Alliance will team with billionaire entrepreneur Robert Bigelow to market and fly habitats for humans in space, the two revealed today.

An inflatable module based on the Bigelow technology is currently being attached to the International Space Station.