Virgin Galactic Holdings is a manufacturer of advanced air and space vehicles that specializes in human spaceflights for individuals, researchers, and government agencies. It offers twin-fuselage, custom-built motherships, rocket-powered winged spaceships, hybrid rocket motors, and other technologies. The company also provides design and development, manufacturing, ground and flight testing, and post-flight maintenance of spaceflight system vehicles. Virgin Galactic Holdings' mission is flying passengers to space as tourists, professional astronaut training, flying autonomous scientific payloads, and flying researchers to space in order to conduct experiments for scientific and educational purposes.