Virgin Galactic launched its highest SpaceShipTwo test flight yet, a supersonic rocket-powered flight on Jan. 10 that sent the private space plane streaking 71,000 feet over California's Mojave Desert.
Virgin Galactic launched its highest SpaceShipTwo test flight yet, a supersonic rocket-powered flight on Jan. 10 that sent the private space plane streaking 71,000 feet over California's Mojave Desert.