Space Perspective unveils mothership boat for stratospheric balloon trips The first-ever marine spaceport is now complete and begins preparing for launches of balloons transporting tourists to the edge of space. https://cdn.mos.cms.futurecdn.net/zJ7sUfSN6BwKfFSM6yt6ih.jpg https://www.space.com/space-exploration/tech/space-perspective-unveils-mothership-boat-for-stratospheric-balloon-trips