Even if the trip from coast to coast can be solved, it will need to take off and land. Concorde was never asked to stack before landing, it was given a straight

Even if the trip from coast to coast can be solved, it will need to take off and land. Concorde was never asked to stack before landing, it was given a straight run ahead of all other aircraft. The noise (I remember it) passing overhead was deafening. My guess any support this is being given is with an eye to military use more than commercial flights.