Orbital Piloted Assembly and Experiment Complex

A NASA image shows the International Space Station as it flew over Madagascar, showing three of the five spacecraft docked to the station in this photo taken by the Expedition 47 Flight Engineer Tim Peake of ESA on April 6, 2016 and released on April 8, 2016. Credit: REUTERS/Tim Peake/ESA/NASA/Handout via Reuters

Five Human Spaceflight Missions to Look Forward to in the Next Decade