We have had mach 5 missiles for about 60-80 years now, that's not what the novelty is.

Mach 5, high maneuverability, inside the atmosphere. Normally a non-ballistic trajectory. That's been the goal for a very long time.

https://www.armyupress.army.mil/Journals/NCO-Journal/Archive...

https://en.wikipedia.org/wiki/Hypersonic_weapon

Do you have something to add to this discussion?

We just redoing definitions, or what?