Provided costs and eco considerations are nailed, I'll happily buy speed, same as I fly direct routes whenever I can.
Frank, why should Musk's plans "...destroy American space flight" or be a fantasy?
He wants to go to Mars, and has the vision, money, and skills to achieve that.
It's a big universe...
Scaling down the engine is a cosmic-level game changer, as is gaining UKGov funding. Good luck with it all.
The A380 is a beautiful bird to fly on, as was Concorde. But the two seem to share one thing in common - questionable economics.
I doubt we'll see anything this side of 2030, maybe never.
If the role is the same then surely an A-10 Mk II is what's needed. Or maybe a Scorpion, with more power and armour.