aerojet rocketdyne holdings, inc. designs, develops, manufactures, and sells aerospace and defense products and systems in the united states. the company operates through two segments, aerospace and defense, and real estate. the aerospace and defense segment offers aerospace and defense products and systems for the united states government, including the department of defense, the national aeronautics and space administration, and aerospace and defense prime contractors. this segment provides liquid and solid rocket propulsion systems, air-breathing hypersonic engines, and electric power and propulsion systems for space, defense, civil, and commercial applications; and armament systems. the real estate segment engages in the re-zoning, entitlement, sale, and leasing of the company's excess real estate assets. it owns approximately 11,394 acres of land adjacent to the united states highway 50 between rancho cordova and folsom, california east of sacramento. the company was formerly know