It was, quite simply, the most perfect flying craft humans will ever make until there is a fundamental change in physics and our use thereof.
Kelly Johnson was an amazing designer, but he had to use a slide rule. We haven't been allowed to see what they have come up with since, but I'm doubtful the SR-71 had no actual successor.
>> but I’m doubtful the SR-71 had no actual successor.<<
I think physics limits what could be next.
Just for the heck of it, I found this: http://www.strategypage.com/humor/articles/funny_flight_stories.asp
:)
What -- no $25,000 workstation full of CAD-CAM software and Chinese chipsets? </s>
That cat needs his own statue in the Smithsonian. Titanium, of course.