The 601st Anti-Aircraft Artillery Group (GAA 601 or Grupo de Artillería Antiaérea 601), historically known as GADA 601 (Grupo de Artillería de Defensa Aérea 601) is the main anti-aircraft artillery unit of the Argentine Army. Its headquarters are based just north of Mar del Plata. The unit's name was changed to GAA 601 Teniente General Pablo Ricchieri in 1999. The group played a key role during the 1982 Falklands War.