Space.com SpaceShipTwo ‘Unity’ Flies Solo For First Time | Video 4 December 2016 fborgosano Leave a comment Share: The Virgin Galactic suborbital vehicle entered its second phase of testing on Dec. 3, 2016. It was released from its WhiteKnightTwo mothership and glided back down to the Mojave Air and Space Port in California after 10 minutes of flight. from Space.com bit.ly/2goUrIE Share: