quote: Not just my opinion but that of lots of folks that the space shuttle lasted as long as it did because it had a fleet of ships sitting around ready to go; a lot of the costs were already sunk. Fix up the SRBs, get a new tank to sail across the gulf, and off she goes.
quote: X33 would've gone even further in the reusable direction, pretty much entirely so. Instead, we're going back to disposable sticks. Biggest mistake of US space history, I think.