Question: Operation Gardel was the codename given by the Peronist guerrilla organization Montoneros to the downing of a Lockheed C-130 Hercules, carrying 114 Gendarmerie personnel as part of the Operativo Independencia, was the code-name of the Argentine military operation in the Tucumán Province, started in what year, to crush the ERP —"Ejército Revolucionario del Pueblo" or "People's Revolutionary Army"—, a Guevarist guerrilla group?
Sentence (from "Operativo Independencia"): 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 the Tucumán Province, in northwestern Argentina.
Relevant evidence: Yes