https://www.techradar.com/news/virgin-galactics-passenger-spaceship-completes-its-third-hypersonic-test-flight > Virgin Galactic's passenger spaceship VSS Unity has completed its third supersonic flight. It was the ship's highest and fastest test to date, hitting Mach 2.4 and a height of 170,800 feet. > The test helped Virgin Galactic gain data on supersonic aerodynamics and thermodynamics, as well as more experience at high altitudes.