If Space-X achieves the economies of re-using it’s boosters then shuttles become obsolete. In the not too distant future Musk is going to be landing capsules back on earth.
"Dragon is a free-flying spacecraft designed to deliver both cargo and people to orbiting destinations. Dragon made history in 2012 when it became the first commercial spacecraft in history to deliver cargo to the International Space Station and safely return cargo to Earth, a feat previously achieved only by governments. It is the only spacecraft currently flying that is capable of returning significant amounts of cargo to Earth."