It says an airframe was never constructed, let alone tested, much like my perpetual motion machine
I think we already have hypersonics, but you are right, the US is focusing more efforts on new weaponry, although 34 mil isn't much
It's been designed already; the 34 mil is to pay for a review. If that's successful there'll be much more money available to build it and do some tests.
yes, the US has to have one. we can’t fall behind our adversaries technologically