Aerojet Rocketdyne Holdings provides solutions to its customers in the aerospace and defense and real estate markets. Co.'s Aerospace and Defense segment includes the operations of its subsidiary Aerojet Rocketdyne, Inc. that develops and produces power and propulsion systems, as well as armament systems. Co. develops and manufactures liquid and solid rocket propulsion, air-breathing hypersonic engines and electric power and propulsion for space, defense, civil and commercial applications. Co.'s Real Estate segment includes the activities of its wholly-owned subsidiary Easton Development Company, LLC related to the re-zoning, entitlement, sale and leasing of its excess real estate assets.