جبهة فارابوندو مارتي للتحرير الوطني
The People's Revolutionary Army ( - ERP) was one of five leftist guerrilla organizations that comprised the Farabundo Martí National Liberation Front (FMLN). Formed on October 10, 1980, the FMLN was one of the main participants in the Salvadoran Civil War (1979-1992).