Aerojet Rocketdyne Holdings, Inc. designs, develops, manufactures, and sells aerospace and defense products and systems in the United States. The company operates in two segments, Aerospace and Defense, and Real Estate. The Aerospace and Defense segment offers aerospace and defense products and systems for the U.S. government, including the Department of Defense, the National Aeronautics and Space Administration, and aerospace and defense prime contractors, as well as for the commercial sector. This segment also provides propulsion systems, such as liquid, solid, air-breathing, and electric types of launch propulsion, in-space propulsion, missile defense propulsion, tactical missile propulsion, and hypersonic propulsion systems for defense, civil, and commercial applications; and armament systems for precision tactical systems and munitions serving military, civil, and commercial customers. The Real Estate segment engages in the re-zoning, entitlement, sale, and leasing of the company's excess real estate assets. It owns 11,451 acres of land adjacent to U.S. Highway 50 between Rancho Cordova and Folsom, California east of Sacramento. The company was formerly known as GenCorp Inc. and changed its name to Aerojet Rocketdyne Holdings, Inc. in April 2015. Aerojet Rocketdyne Holdings, Inc. was founded in 1915 and is headquartered in El Segundo, California.