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Originally posted by JimmyCarterIsSmarter
As far as I know the XB-70 could not cruise at mach 3 as it couldn't take the heat for long. Maybe the B-70 could of?
I'd like to add the SR-91 Aurora to your mach 3+ club. In fact you can add it to your mach 5+ hypersonic club while you are at it.
First of all, thanks for the replies. Also, the Bristol 188 actually did go supersonic and reached Mach 1.88,
I wonder why the TSR.2 wouldn't have been able to reach Mach 3