Boom will build a supersonic jet factory in North Carolina
Construction on the facility will start later this year.
XB-1
United Airlines plans to add 15 Boom Supersonic jets to its fleet
The carrier could end up buying a total of 35 planes from the startup.
Boom unveils the XB-1, its supersonic testbed
The craft is expected to start test flights in 2021.
The Colorado startup dreaming up a return to supersonic flight
Boom Supersonic hopes to test-fly its supersonic plane in 2021.
