Pentagons Secret Space Plane Could Be Astronauts Next Ride

The Air Forces mysterious X-37B space plane� is only on its second, eight-month-plus orbital mission, ostensibly conducting science experiments.

But manufacturer Boeing has already drawn up plans for a major upgrade to the nimble, 29-foot-long robot � one that could more than double the vehicles size and make room for up to six astronauts.

Source:
http://www.wired.com/dangerroom/2011/10/secret-space-plane/