Orbital Sciences Corporation
Samples of obsidian. Credit: US Geological Survey.
Orbital Sciences Corporation is an American aerospace company that specializes in manufacturing and launching satellites. Its launch vehicles include the Pegasus, Taurus, and Minotaur. Orbital Sciences Corporation, usually known simply as Orbital, was founded in 1982 and is headquartered in Dulles, Virginia.
Other projects with which Orbital has been involved included the X-34 autonomous pilotless craft (to have been powered by a Fastrac rocket engine, the X-43A hypersonic aircraft (which is air-launched by a Pegasus rocket), the Lockheed-Martin proposal for the Orion (Crew Exploration Vehicle), and NASA's Dawn program.