The United Aircraft Corporation (UAC) is a Russian state-owned aerospace and defense holding company. Established in 2006, it consolidates Russia's major aircraft manufacturing assets, including Sukhoi, Mikoyan, Tupolev, Ilyushin, and Yakovlev. UAC is responsible for the design, manufacture, and sale of a wide range of civilian, military, and transport aircraft, such as the MC-21, Sukhoi Superjet 100, and the Su-57 fifth-generation fighter.