Aut cum scuto aut in scuto
Looked fast, went slow.
Like many of its era, the airframe was ready before the proper engines were, resulting in less than designed performance. Still one of the coolest looking X-planes ever.
I wouldn’t want to be bent over tying a bootlace while that was taxiing around!
It currently resides in the US Air Force Museum in Dayton Ohio.
Actually, Wright-Paterson Air Force Base, where the Little Green Men are.
Looks pretty mean...until you get to those stubby F-104 style wings
Go look up the X-59 low boom demonstrator. Sometimes whats old is new again.