The FAA and ICAO are working on a Sonic Boom standard to enable supersonic flights overland .
The FAA and the ICAO are working on a sonic boom standard to allow supersonic flights overland .
The FAA and the ICAO are working on a sonic boom standard to allow supersonic flights overland .
Reformula esta oración: The FAA and ICAO are working on a Sonic Boom standard to enable supersonic flights overland . Producción: