This is not a fantasy project. This is going to be real: a gigantic 385-foot wing span, 544-tonne plane powered by six 747 engines that will serve as a flying launch platform for 490,000 pound orbital rockets.
The days of high-tech metal mountings to hold spacecraft together are gone, according to the man designing Virgin Galactics' commercial spaceplanes. Apparently, all you need is glue. Knowing that, suddenly we're much more worried about flying in a Virgin ship.