NASA's hypersonic vehicle(s) decades away.
I'm sure most of you have seen this. May be news to some.
From Spacedaily.
The X43-C looks good. Windows will have to be a must in the final phase.
Marcia
I'm sure most of you have seen this. May be news to some.
From Spacedaily.
The X43-C looks good. Windows will have to be a must in the final phase.
Marcia