I'd guess it will be somewhere between https://en.wikipedia.org/wiki/Electromagnetic_Aircraft_Launch_System https://en.wikipedia.org/wiki/Electromagnetic_Aircra

I'd guess it will be somewhere between https://en.wikipedia.org/wiki/Electromagnetic_Aircraft_Launch_System https://en.wikipedia.org/wiki/Electromagnetic_Aircraft_Launc... and https://en.wikipedia.org/wiki/StarTram https://en.wikipedia.org/wiki/StarTram We'll see. Or not.