Can a jet plane fly faster than March 6 or 7?

Forward

New member
Can we ever develop an ordinary jet and fly it to March 6 or 7?

I understand the Blackbird SR71 can fly up to March 3 but can a jet plane using ordinary jets fly beyond March 6? When I said ordinary, I mean a fighter aircraft type of plane. I am also not talking about the scram jets.
I am also talking about using fighter aircraft jets.
 
Back
Top