Operativo Independencia (Spanish for "Operation Independence") was the code-name of the Argentine military operation in the Tucumán Province, started in 1975, to crush the ERP (Ejército Revolucionario del Pueblo or People's Revolutionary Army), a Guevarist guerrilla group, which tried to create a Vietnam-style war front in Tucuman, in northwestern Argentina. It was the first large-scale military operation of the Dirty War.
Read more about Operativo Independencia: Prologue, February 1975 "annihilation Decree", The Military Operation, Generalization of The State of Emergency, Later Stages, Veterans Demand Recognition