Depends which land and — most likely — depends who builds it.
It's not like the US forbid overland supersonic flight for their military planes (and overland commercial supersonic flight was only banned as the US's sole SST program was cancelled)
It's not like the US forbid overland supersonic flight for their military planes (and overland commercial supersonic flight was only banned as the US's sole SST program was cancelled)
The Blue Angels, for example, are not authorized to exceed the speed of sound: http://www.blueangels.navy.mil/show/faq.aspx
Presumably from the Air Force Academy. Only happened those two times the entire time we lived there - presumably someone got in trouble for it...