,exoteric wrote

Luckily the race for space will not stand still. SpaceX and space faring nations will continue until NASA reports back for duty with the next generation shuttle.Smiley

There is no 'next generation shuttle'... besides, it's not up to NASA... and given the President (and congress) which not only effectively killed theConstellation program, but the entire US manned space program for a decade or two at least.