First Supersonic, Powered Flight For Virgins Unity
Virgin Galactic’s SpaceShipTwo,VSS Unity, has completed its first supersonic, rocket-powered flight, the company announced last week. The aircraft was carried to a launch altitude of about 46,500 feet above the Sierra Nevada mountains by the WhiteKnightTwo aircraft, then released. After a few seconds of glide, Unity’srocket motor was engaged, and the pilots placed the spaceship […]