Aerojet Rocketdyne Holdings, Inc. develops and sells aerospace and defense products and systems in the USA, operating in 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 space, defense, civil, and commercial applications. The Real Estate segment engages in the re-zoning, entitlement, sale, and leasing of the company's excess real estate assets.