GenCorp Inc., incorporated in 1915, 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 its excess real estate assets. The Company develops and manufactures propulsion systems for defense and space applications, and armaments for precision tactical and long range weapon systems applications. The Company operates in two segments: Aerospace and Defense, and Real Estate. Its defense system products include liquid, solid, and air-breathing propulsion systems and components. Its space system products include liquid, solid, and electric propulsion systems and components. In June 2013, United Technologies Corp announced it has closed on the sale of substantially all operations of its Pratt & Whitney Rocketdyne unit to GenCorp Inc.