The VSS Enterprise was unveiled last December, and [on March 22nd] flew for the first time out of Mojave Spaceport in California… VSS Enterprise remained attached to its unique White Knight Two carrier aircraft, VMS Eve, for the duration of the 2 hours 54 minutes flight, achieving an altitude of 45,000ft (13716 metres).“ Both crafts are developed for Sir Richard Branson’s Virgin Galactic by Burt Rutan and team at Mojave-based Scaled Composites.