The 75th Group Army ), formerly the 41st Group Army, is a military formation of the Chinese People's Liberation Army Ground Forces (PLAGF). The 75th Group Army is one of twelve total group armies of the PLAGF, the largest echelon of ground forces in the People's Republic of China, and one of two assigned to the nation's Southern Theater Command. Organization Pre-2017 121st Mountain Motorized Infantry Brigade () 122nd Mechanized Infantry Brigade () 123th Mechanzied Infantry Division () 15th Armored Brigade () Artillery Brigade () Air-Defense Brigade () Army Aviation Regiment () Boat Regiment () Chemical-Defense Regiment () Engineer Regiment () Post-2017 31st Heavy Combined Arms Brigade () 32nd Mountain Combined Arms Brigade () 37th Light Combined Arms Brigade () 42nd Light Combined Arms Brigade () 122nd Medium Combined Arms Brigade () 123rd Heavy Combined Arms Brigade () 121st Air Assault Brigade () 75th Special Operation Brigade () 75th Artillery Brigade () 75th Air-Defense Brigade () 75th Engineer and Chemical-Defense Brigade () 75th Sustainment Brigade () References Further reading Dennis J. Blasko. "PLA Ground Forces: Moving Toward a Smaller, More Rapidly Deployable, Modern Combined Arms Force" The People's Liberation Army as Organization: Reference Volume v1.0, James C. Mulvenon and Andrew N. D. Yang eds. (Santa Monico: RAND; 2002) Field armies of the People's Liberation Army Military units and formations disestablished in 2017 Military of Liuzhou Guangzhou Military Region