posted on Nov, 24 2015 @ 05:57 PM
a reply to: Zaphod58
I did. I was horrified.
His first books appear to be from circa 82. I'd guess we have another decade of Sweetman-isms then.
And he has a serious obsession with Aurora. The one source I had on the subject stated they built something (unmanned) and in the early 90s it made a
hole in the desert, so they decided to cancel it. This was the Clinton years, after all.
Based on what I've seen with the struggle with scramjets, I've seen nothing since that would convince me that source was wrong.
Hypersonics is hard.
OTOH, there could be other fast things out there slower than Mach 5 (hypersonic regime).