Ever ridden the cross town bus, and noted instantly that you're riding one of the oldies?
Yes i have, and in one case there was a loud bang and the trip stopped right there. Not something i'd want to happen in anything that flies.
Unsurprising that private companies will be the ones leading new space programs, it's a rare day when i don't hear the government cutting back on something, and space exploration doesn't really do that much quick, practical good.