[Credo]

Not in the sand, it can't.

I think it can actually. It's not maneuverable, but goes like a bat out of Chappaqua.

[StriperSniper]

I seem to remember readng that it can exceed Mach 3 for short periods of time, but then need the engines totally rebuilt. Since they were built to intercept bombers with nukes, you either got the job done, or it didn't matter anymore.