Watch: Virgin Galactic's Richard Branson, 'Unity' crew reach edge of space
02:46NBC News' Tom Costello and Willie Geist react live to the separation of the Virgin Galactic crew's Unity spaceship from the mothership, on its way to the edge of space.
NBC News' Tom Costello and Willie Geist react live to the separation of the Virgin Galactic crew's Unity spaceship from the mothership, on its way to the edge of space.
