re: Cheap and Reliable Access To Space
Clearly, the technologies for cheap access to LEO were NOT as easy to develop as many of us and those investors in the private sector believed in the 90s. Precisely how difficult CATS is is still an open question, thankfully one that has several attempts to address it underway. Baby steps. But lots of them.
Rocket racing
Sub-orbital tourism
Sundry X-prizes
Sub-orbital transport
