Virgin Galactic Holdings, Inc. is an aerospace and space travel company, which engages in the provision of consumer space experience using reusable spaceflight systems. The company is headquartered in Tustin, California and currently employs 744 full-time employees. The company went IPO on 2017-09-18. The Company’s operations include design and development, manufacturing, ground and flight testing, and post-flight maintenance of its spaceflight system vehicles. The firm has developed a portfolio of proprietary technologies that are embodied in the specialized vehicles that it has created to enable commercial spaceflight. These technologies underpin its carrier aircraft, the mothership; its spaceships; its hybrid rocket motor; and its safety systems. Its Carrier Aircraft-The mothership is a twin-fuselage, custom-built aircraft designed to carry spaceships up to an altitude of approximately 45,000 feet, where the spaceship is released for its flight into space. Its Virgin Galactic spaceships are reusable with the capacity to carry pilots and private astronauts, research experiments and researchers.