the 82nd group army (), formerly the 38th group army, is a military formation of china's people's liberation army and one of three active group armies belonging to the central theater command. it is based at baoding, hebei and is composed of three heavy combined arms brigades, two medium combined arms brigades, a light combined arms brigade, a special operation brigade, an army aviation brigade, an artillery brigade, an air-defense brigade, an engineer and chemical brigade and a sustainment brigade in addition to various support and logistics units. its unit id number is 66393.