It was proven impossible in the late 1930s.

International airlines don't exist, they are faked by the same people that did the 'moon landings' to make you think the world is a ball. If they really took people up that high, they'd be able to see the earth is flat.

I think you left the /s off your comment

/s is for people who hate sarcasm. Those of us who enjoy it would rather drink it straight.

No, it's true, really.

I think he meant supersonic NYC-London flights. Or perhaps even hypersonic.

do those not mean the same thing?