Embraer-Empresa Brasileira de Aeronautica S.A., together with its subsidiaries, engages in the development, production, and sale of jet and turboprop aircraft for civil and defense aviation, and aircraft for agricultural use worldwide. It operates in four segments: Commercial Aviation, Defense and Government, Executive Aviation, and Aviation Services. The Commercial Aviation segment develops, produces, and sells commercial jets, as well as supplies support services. The Defense and Government segment designs, develops, manufactures, and supports a range of integrated solutions for the defense and government market. Its products include training/light attack aircraft, C4ISR (command and control, intelligence, surveillance, and reconnaissance) systems, aerial surveillance platforms, and transport airplanes. The Executive Aviation segment develops, produces, and sells executive jets, as well as provides support services. This segment markets executive jets to companies, including fractional ownership companies, charter companies and air-taxi companies, and high-net-worth individuals. The Aviation Services segment provides after-sales customer support services; and manufactures and markets spare parts for the fleets of its commercial, executive, and defense and government customers. The company also sells or leases used aircraft; provides structural parts, and mechanical and hydraulic systems; and manufactures general aviation propeller aircraft, such as executive planes and crop dusters. It has a strategic alliance with European Aerospace and Defense Group. The company was formerly known as Rio Han Empreendimentos e Participacoes S.A. Embraer was founded in 1969 and is headquartered in Sao Jose dos Campos, Brazil.