GenCorp, Inc. is a manufacturer of aerospace and defense products and systems with a real estate segment that includes activities related to the re-zoning, entitlement, sale, and leasing of excess real estate assets. It develops and manufactures propulsion systems for defense and space applications, and armaments for precision tactical and long range weapon systems applications. The company operates through two segments: Aerospace & Defense and Real Estate. The Aerospace & Defense segment includes the operations of its subsidiary Aerojet Rocketdyne, Inc., a technology-based designer, developer and manufacturer of aerospace and defense products and systems for the U.S. government, including the Department of Defense, the National Aeronautics and Space Administration, major aerospace and defense prime contractors as well as portions of the commercial sector. The Real Estate segment includes the activities of its subsidiary Easton Development Co. LLC related to the re-zoning, entitlement, sale, and leasing of excess real estate assets. GenCorp was founded in 1915 and is headquartered in Rancho Cordova, CA.