Wednesday, December 01, 2010

The Fall and Rise of ‘X’

The Fall and Rise of ‘X’ : "They are at the very edge of current U.S. technological capabilities; one is a supposedly mothballed technology test-bed, the other a super-secret space plane that is currently on orbit – but set to land soon. They are the X-planes, experimental spacecraft that are proving out concepts and capabilities whose beginnings can be traced to the dawn of the space age."