[Indy Pendance]

They also destroyed all dies used to build this plane. It was constructed mainly of titanium.

[Rightly Biased]

We sure didn't want the Communists to get hold of one or the plans for one

[Prophet in the wilderness]

They had many problems with the " common " manufacturing process using titanium, and they had to basically come up with new production methods and processes to build that plane.
Still, its incredible, that the USA, had even that kind of tech back in the late 50s early 60's.