It’s #NationalAviationDay! NASA Aeronautics’ next X-plane will be one that flies at regular speed, but has advanced design technologies and a nontraditional shape that drop perceived noise levels by more than half: http://go.nasa.gov/2fUjVCf
It’s #NationalAviationDay! NASA Aeronautics’ next X-plane will be one that flies at regular speed, but has advanced design technologies and a nontraditional shape that drop perceived noise levels by more than half: http://go.nasa.gov/2fUjVCf
