People's Revolutionary Army (Argentina)

People's Revolutionary Army
Leader(s) Mario Roberto Santucho, Enrique Gorriarán Merlo, Benito Urteaga
Active region(s) Buenos Aires (urban) & Tucumán (rural)
Ideology Communism

The People's Revolutionary Army (Spanish: Ejército Revolucionario del Pueblo, abbreviated as ERP) was the military branch of the communist Partido Revolucionario de los Trabajadores (PRT, Workers' Revolutionary Party) in Argentina.



The ERP was founded as the armed wing of the PRT, a communist party emerging from the Trotskyist tradition, but soon turned to the Maoist theory, especially the Cultural Revolution. During the 1960s, the PRT adopted the foquista strategy of insurgency associated with Che Guevara, who had fought alongside Fidel Castro during the Cuban Revolution.

The ERP launched its guerrilla campaign against the Argentine military dictatorship headed by Juan Carlos Onganía in 1969, using targeted urban guerrilla warfare methods such as assassinations and kidnappings of government officials and foreign company executives. For example, in 1973 Enrique Gorriarán Merlo and Benito Urteaga led the ERP kidnapping of Esso executive Victor Samuelson and obtaining a ransom of $12 million.[1][2] They also assaulted several companies' offices using heavily armed commandos of the ERP's elite "Special Squad". Although claim and counter-claim are invariably difficult to reconcile, figures released for an official publication, Crónica de la subversión en la Argentina (Buenos Aires: Ediciones Depalma) at least give an indication of the kind of guerrilla activity undertaken, with claims that the rural guerrillas occupied 52 towns, robbed 166 banks and took US $76 million in ransoms for the kidnappings of 185 people.[3]

The group continued the violent campaign even after democratic elections and the return to civilian rule in 1973, with Juan Peron's return. On June 20, 1973 the Peronist movement split after the Ezeiza massacre, that started when Lieutenant-Colonel Jorge Osinde's crowd monitoring right-wing Peronist militia reported the arrival of heavily armed Montoneros in two buses the day that Peron returned from exile.[4] Victor E. Samuelson, an Exxon executive, was abducted on 6 December 1973 by the ERP. He was released after 144 days in captivity, after the Exxon Corporation paid a record ransom of $14.2 million.[5] The avowed aim of the ERP was a communist revolution against the Argentine government in pursuit of "proletarian rule."

The ERP publicly remained in the forefront. ERP guerrilla activity took the form of attacks on military outposts, police stations and convoys. In 1971, 57 policemen were killed fighting the left-wing guerrillas, and in 1972 another 38 policemen lost their lives in the guerrilla violence.[6] On 28 December 1972, Marine Private Julio César Provenzano of the ERP, is killed when the bomb he planted in one of the lavatories of the Argentine Naval Headquarters went off prematurely.[7] On 3 April 1973, ERP guerrillas kidnapped Rear-Admiral Francisco Agustín Alemán.[8]

In January 1974 the ERP Compañía Héroes de Trelew, named in commemoration of the 1972 Massacre of Trelew, during which 16 left-wing guerrillas who had attempted to escape detention had been shot dead, attacked the barracks at Azul, killing the Commanding Officer (Colonel Camilo Arturo Gay) and his wife (Hilda Irma Casaux) and kidnapping and later executing Lieutenant-Colonel Jorge Ibarzábal, with Patricia Gay the daughter of Gay and Casaux later taking her own life.[9] However, in August, an assault on the Argentine Army's Villa Maria explosives factory in Cordoba and the 17th Airborne Infantry Regiment at Catamarca by 70 ERP guerrillas dressed in army fatigues, met mixed fortune after killing and wounding eight policemen and soldiers[10] but losing 16 guerrillas shot dead after they surrendered to 300 paratroopers of the 17th Airborne Infantry Regiment under Lieutenant-Colonel Eduardo Humberto Cubas. On 23 October 1974, ERP guerrillas shot and killed Lieutenant-Colonel José Francisco Gardón as he was leaving the Buenos Aires hospital where he specialized in blood diseases.[11] On 18 August 1975 Captain Miguel Alberto Keller, accompanied by an NCO and five conscripts were forced to stop their army lorry at what they believed to be a military checkpoint, and Keller was shot dead as he approached the ERP guerrillas waiting in ambush.[12] In December 1975 a force of some 300 ERP guerrillas and supporting militants[13] attacked the Monte Chingolo barracks outside Buenos Aires but lost 63 dead, many of whom were wounded in the attack and subsequently killed.[14] In addition, seven army troops and three policemen were killed and 34 wounded (including 17 policemen).[15] In all, 293 Argentine servicemen and police were killed fighting left-wing guerrillas between 1975 and 1976.[16]

In 1976 there had been plans to send a large part of the Uruguayan Tupamaros (MLN-T), the Chilean Movimiento de Izquierda Revolucionaria (MIR) and the Bolivian National Liberation Army (ELN) to fight alongside the ERP and Montoneros in Argentina, but the plans failed to materialize largely due to the military coup.[17]

Operations in Tucumán and Buenos Aires

After the return of Juan Perón to the presidency in 1973, the ERP shifted to a rural strategy designed to secure a large land area as a base of military operations against the Argentine state. The ERP leadership chose to send the Compania del Monte Ramón Rosa Jimenez (Ramón Rosa Jimenez Mountain Company) to the province of Tucumán at the edge of the long-impoverished Andean highlands in the northwest corner of Argentina. Many of the officers in the rural guerrilleros company were trained in Cuba.[18][19] In July 2008, Cuban leader Fidel Castro admitted that he supported the guerrilla forces in South America: "The only place where we didn't attempt to promote a revolution was in Mexico. Everywhere else, without exception, we tried".[20] Politician Gustavo Breide Obeid, who fought as an army captain against ERP guerrillas in Tucumán Province, claimed in 2007 that mercenaries from Jordan, Nicaragua and Angola served in the 'Ramón Rosa Jimenez' Mountain Company. By December 1974, the guerrillas numbered about 100 fighters, with a 400-person support network from the Montoneros.[21] Led by Mario Roberto Santucho, they soon established control over a third of the province and organized a base of some 2,500 sympathizers.[22] Santucho's armed guerrillas in the northwestern province of Tucuman never exceeded 300 in the first year of the campaign.

The growth in ERP strength in the northwest, together with an increase in urban violence carried out by the left-Peronist Montoneros following Perón's death in 1974, led the government of Isabel de Perón to issue "annihilation decrees" and expand the military's powers to fight a counter-insurgency campaign in February 1975. In all, 83 servicemen and policemen were killed in fighting the left-wing guerrillas, between 1973 and 1974.[16]

Some 3,500 soldiers of the 5th Mountain Infantry Brigade, and two companies of elite commandos, placed under the command of Brigadier-General Acdel Vilas began immediately deploying in the Tucumán mountains in Operacion Independencia, joined later by 1,500 more troops from the 4th Airborne Infantry Brigade and 8th Mountain Infantry Brigade. The pattern of the war was largely dictated by the nature of the terrain, the mountains, rivers and extensive jungle denying both sides easy movement. The A-4B Skyhawk fighters and B.62 Canberra bombers of the Argentine Air Force were used for offensive air support while the North American T-34 and FMA IA-58 Pucara served as a light ground-attack and reconnaissance aircraft. While fighting the guerrilla in the jungle and mountains, Vilas concentrated on uprooting the ERP support network in the towns, using state terror tactics later adopted nationwide during the "Dirty War", as well as a civic action campaign. By July, the Argentine Army commandos were mounting search-and-destroy missions. The Army special forces discovered Santucho's base camp in August, then raided the ERP urban headquarters in September. Most of the Compania del Monte's headquarters staff was killed in October and the remainder dispersed by the end of the year. While most of the leaders of the movement were killed outright, many of the captured ERP subalterns and sympathizers were incarcerated during the government of Isabel Martínez de Perón, but little mercy was shown to captured guerrillas and civilian collaborators during the military dictatorship.

In May 1975, ERP representative Amilcar Santucho was captured trying to cross into Paraguay to promote the JCR unity effort. As a way to save himself, he provided information about the organization to Secretaría de Inteligencia (SIDE) agents that enabled Argentine security agencies to destroy what was left of the ERP, although pockets of ERP guerrillas continued to operate in the heavily wooded Tucuman mountains for many months. The case, during which an FBI official transmitted information obtained from the prisoners (Amilcar was detained along with a MIR member) to the Chilean DINA, was one practical operation of Operation Condor, which had started in 1973[23][24]

Meanwhile, the guerrilla movement switched its main effort to the north and on 5 October 1975 guerrillas struck the 29th Mountain Infantry Regiment. The 5th Brigade suffered a major blow at the hands of Montoneros, when over one-hundred—perhaps several hundred[25]—Montoneros guerrillas and milicianos (militants) where involved in the planning and execution of the most elaborate Montoneros operation in the so-called "Dirty War", which involved the hijacking of a civilian airliner, taking over the provincial airport, attacking the 29th Infantry Regiment's barracks at Formosa province and capturing its cache of arms, and finally escaping by air. Once the operation was over, they made good their escape towards a remote area in Santa Fe province. The aircraft, a Boeing 737, eventually landed on a crop field not far from the city of Rafaela. In the aftermath, 12 soldiers and 2 policemen[26] were killed and several wounded. The sophistication of the operation, and the getaway cars and safehouses they used to escape from the crash-landing site, suggest several hundred guerrillas and their civilian supporters were involved.[27]

In December 1975 most 5th Brigade units were committed to the border areas of Tucumán with over 5,000 troops deployed in the province. There was however, nothing to prevent infiltrating through this outer ring and the ERP were still strong inside Buenos Aires. Mario Santucho's Christmas offensive opened on 23 December 1975. The operation was dramatic in its impact, with ERP units, supported by Montoneros, mounting a large scale assault against the army supply base Domingo Viejobueno at the industrial suburb of Monte Chingolo, south of Buenos Aires. The attackers were defeated and driven off with 53 ERP guerrillas and 9 supporting militants killed.[28] Seven army troops and three policemen were reported killed.[15] In this particular battle the ERP and supporting Montoneros militants had about 1,000[29] deployed against 1,000 government forces. This large-scale operation was made possible not only by the planning of the guerrillas involved, but also by their supporters who provided houses to hide them, supplies and the means of escape.

On 30 December a bomb exploded at the headquarters of the Argentine Army in Buenos Aires, injuring at least six soldiers.[30] In the eyes of the military, the credibility of the government was now destroyed and the strategy of attrition was bankrupt. The guerrillas had even successfully utilized divers of the Grupo Especial de Combate of the Montoneros: the modern type 42 destroyer A.R.A. Santisima Trinidad was severely damaged by explosives placed under her keel by frogmen of the Montoneros on 22 August 1975 while moored in the port of Ensenada. The damage was so great that the ship remained unseaworthy for several years. By the end of 1975, a total of 137 servicemen and police had been killed that year by left wing guerrillas.[16] Elements within the armed forces, particularly among the junior officers, blamed the weakness of the government and began to seek a leader who they considered was strong enough to ensure a preservation of Argentinian sovereignty, settling on Lieutenant-General Jorge Videla.[15] On 11 February 1976, colonel Raúl Rafael Reyes, the commander of the 601st Air Defence Artillery Group, is killed and two army conscripts (Privates Tempone and Gómez) wounded in an ambush manned by six ERP guerrillas in the La Plata suburb of Buenos Aires.

The Argentine armed forces moved ahead with the "Dirty War", dispensing with the civilian government through a coup d'état in March 1976. In his editorial immediately after the military takeover, Santucho wrote that "a river of blood will separate the military from the Argentine people", and this would result in a popular uprising followed by a civil war.[31] On 29 March 1976, the ERP leadership lost twelve killed in a gun battle in Downtown Buenos Aires with army elements (including the ERP Chief of Intelligence) but Santucho along with fifty guerrillas were able to fight their way out of the ambush.[31] The Argentine Army and police scored more success in mid-April in Córdoba, when in a series of raids it captured and later killed some 300 militants entrusted with supporting the ERP operations in that province.[31] During the first few months of the military junta, more than 70 policemen were killed in leftist actions[32] In mid-1976, the Argentine Army completely destroyed the ERP's elite "Special Squad" in two violent firefights.[33] The ERP's commander, Mario Roberto Santucho, and Benito Urteaga were killed in July of that year by military forces led by captain Juan Carlos Leonetti of the 601st Intelligence Battalion. Several hundred guerrillas of the Guevarist Youth Group in training for operations to coincide with the 1978 World Cup in Argentina, were captured and killed in a series of raids in Zárate soon afterwards.[31] Although the ERP continued for a while under the leadership of Enrique Gorriarán Merlo, by late 1977 the guerrilla threat had been eradicted or gone underground. In 2008, the PRT-ERP reported the loss of 5,000 of its members killed in action or having disappeared after being detained.[34] By that time the military dictatorship had expanded its own campaign against "subversives" to include state terror against active civilian collaborators,[35] non-violent students, intellectuals, and political activists who were presumed to form the social, non-combatant base of the insurgents. According to different sources, 12,261 to 30,000 people,[36] are estimated to have disappeared and died during the military dictatorship that ruled Argentina from 1976 to 1983. Admittedly there were 12,000 disappeared in the form of PEN detainees that survived the dictatorship,[37] thanks to international pressure to release them from the clandestine detention camps. Some 11,000 Argentines have applied for and received up to US$200,000 each as monetary compensation for the loss of loved ones during the military dictatorship.[38] According to an article published in late December 2011 in the Spanish ABC newspaper, 18,331 Argentines were victims of left-wing terrorism, including some 5,500 members of the police and armed forces.[39] The PRT continued political activities, although limited to few members, organizing conventions even after democracy returned to the country. In December 2015, Professor Gustavo Morello (SJ) in his new book The Catholic Church and Argentina’s Dirty War (Oxford University Press, 2015) concluded that during the "Dirty War" in Argentina "15,000 people were killed, 8,000 were jailed and some 6,000 were exiled."[40]


After the destruction of the left in Argentina, some revolutionary cadres made their way to Nicaragua, where the Sandinistas had taken power in 1979. An ERP commando team comprising veterans of the "Dirty War" under Gorriarán Merlo, for example, demonstrated their active involvement in the revolutionary struggle by killing ex-dictator Anastasio Somoza in 1980.[41] Gorriarán returned to Argentina in 1987 to become a leader of the Movimiento Todos por la Patria (All For the Motherland Movement or MTP).

Claiming another military coup by the Carapintadas was imminent against the new democratic government of Raúl Alfonsín (which at the time was leading a series of trials against members of the Argentine Military accused of human rights violations), Enrique Gorriarán Merlo led the 1989 attack on La Tablada Regiment, during which the Argentine army used white phosphorus as an anti-personnel weapon,[42][43][44] and in which the guerrillas used captured army conscripts as 'shields'[45] and ended in the capture of the surviving MTP members. Alfonsín countered the claim that the MTP were trying to forestall a military coup and declared that the attack had the ultimate goal of sparking a massive popular uprising, that could have led to civil war.[46] In their newspapers and in the Argentine press, the Mothers of the Plaza de Mayo denounced the way Alfonsín had handled the La Tablada incident, making a connection between what had happened to their disappeared children and the treatment endured by the MTP guerrillas.[47] Gorriarán was given a life sentence along with other MTP comrades, but was freed by interim president Eduardo Duhalde two days before Néstor Kirchner's access to power in 2003. In protest to Duhalde's decision, former Lieutenant-Colonel Emilio Guillermo Nani who took part in the fighting to recover the La Tablada barracks and lost an eye as a consequence, formally announced that he would be returning the medal for wounded military personnel that he won during the administration of Argentine president Raúl Alfonsín.[48] The MTP still exist today as a political movement which has abandoned armed struggle.

In January 2016 for the first time in decades, Mauricio Macri (the recently elected president of Argentina) through the new Human Rights Secretary Claudio Avruj, granted an audience to CELTYV (Centre for Legal Studies on Terrorism and its Victims) representing the victims of left-wing terrorism in Argentina[49] in a move that drew strong condemnation from Estela Barnes de Carlotto, head of the Grandmothers of Plaza de Mayo.[50]

See also


  1. "Corporations: Record Ransom". Time Magazine. March 25, 1974. Retrieved 11 November 2012.
  2. "Court: Exxon Ransom Valid". New York Times. July 28, 1981. Retrieved 11 November 2012.
  3. Guerrillas and Generals: The "Dirty War" in Argentina, Paul H. Lewis, Page 52, Greenwood Publishing Group (2002) "Moyano classified her armed operations more carefully into arms thefts, attacks on property, takeovers (of towns buildings, broadcasting stations, or police and military posts), bombings, kidnappings, hijackings, and deaths (i.e., assassinations). She found that bombings ( 855 incidents), arms thefts (278) and takeovers (200) were the most frequent kinds of guerrilla action between 1969 and 1973."
  4. Guerrillas and Generals: The "Dirty War" in Argentina, Paul H. Lewis, Pages 88-89, Greenwood Publishing Group (2002) "Around midmorning they began to notice suspicious movements beyond the fields that flanked the airport highway. Men with different-colored armbands were positionining themselves behind the trees while others were climing up into them. Then, just before noon, a huge column of armed men, led by Governor Oscar Bidegain, appeared at the southern approach to the overpass, flanked by two Leyland buses and some ambulances. A few minutes later someone fired a shot, and the battle was on. It raged for the next three hours (...) One of the Leyland buses was blown up by a grenade. Later, it was found to be full of weapons, with supports in the windows for machine guns (...) Thrown back, the Montoneros began to scatter, pursued by Osinde's men. Some of those who were caught were shot or badly beaten. Most were hauled to the International Hotel at the Ezeiza Airport, where Osinde had set up an emergency interrogation center, and were beaten unmercifully until they revealed who had ordered the attack."
  5. U.S. Executive Freed in Argentina; Guerrillas Got Record $14.2 Million. Los Angeles Times. (30/04/1974)
  6. Guerrillas and Generals. Retrieved 23 February 2015.
  7. "Star-News - Google News Archive Search". Retrieved 23 February 2015.
  8. "The Age - Google News Archive Search". Retrieved 23 February 2015.
  9. "Cuando Perón habló de "exterminar uno a uno" a los guerrilleros". Retrieved 11 May 2016.
  10. Ataque a la Fabrica de Polvoras y Explosivos Villa Maria Cordoba
  11. "Lodi News-Sentinel - Google News Archive Search". Retrieved 23 February 2015.
  12. "The Phoenix - Google News Archive Search". Retrieved 23 February 2015.
  13. Guerrillas and Generals. Retrieved 23 February 2015.
  14. Gustavo Plis-Sterenberg, Monte Chingolo. La mayor batalla de la guerrilla argentina
  15. 1 2 3 "ARGENTINA: Hanging from the Cliff". 5 January 1976. Retrieved 23 February 2015.
  16. 1 2 3 State Terrorism in Latin America. Retrieved 23 February 2015.
  17. Determinants of Gross Human Rights Violations by State and State Sponsored ... Retrieved 23 February 2015.
  18. Enrique Díaz-Araujo. La guerrilla en sus libros. p. 98.
  19. "Página/12 :: El país :: Gorriarán Merlo cuenta su versión". Retrieved 11 May 2016.
  20. "Página/12". Retrieved 23 February 2015.
  21. Setentistas: De La Plata a la Casa Rosada, Fernando Amato, Christian Boyanovsky Bazán, Page 338, Editorial Sudamericana, (1 January 2008) "Luego fundó la Unidad Básica de Combate Logística (UBCL) en la que el Hippte era el jefe. Con el tiempo logró contar con cerca de treinta combatientes, alrededor de doscientos militantes, y mayor número de simpatizantes."
  22. Guerrillas and Generals. Retrieved 23 February 2015.
  23. Operation Condor, John Dinges
  24. Abramovici, Pierre (May 2001). "OPERATION CONDOR EXPLAINED - Latin America: the 30 years' dirty war". Le Monde diplomatique. Retrieved 2006-12-15. (free access in French and in Portuguese)
  25. Terrorism in Context. Retrieved 23 February 2015.
  26. "The Montreal Gazette - Google News Archive Search". Retrieved 23 February 2015.
  27. "The Sydney Morning Herald - Google News Archive Search". Retrieved 23 February 2015.
  28. Monte Chingolo: Voces de Resistencia
  29. Review of the River Plate: A weekly journal dealing with commercial financial and economic affairs, 30 December 1975, p. 1021
  30. "The Spokesman-Review - Google News Archive Search". Retrieved 23 February 2015.
  31. 1 2 3 4 Political Violence and Trauma in Argentina, Antonius C. G. M. Robben, Page 201, University of Pennsylvania Press (January 25, 2005)
  32. "ARGENTINA: Battling Against Subversion". 12 July 1976. Archived from the original on February 20, 2011. Retrieved 23 February 2015.
  33. From Vietnam to El Salvador. Retrieved 23 February 2015.
  34. " - Viendo: A 32 años de la caída en combate de Mario Roberto Santucho y la Dirección Histórica del PRT-ERP". Retrieved 23 February 2015.
  35. Guerrillas and Generals: The "Dirty War" in Argentina, Paul H. Lewis, Page 47, Greenwood Publishing Group (2002) "Whether one accepts the higher or lower estimates, Argentina's guerrilla organizations, backed by multimillion dollar war chests, were formidable — and lethal ( ...) Their collaborators reached into every level and every sector of society, and no one was safe from their vengeance."
  36. The lower estimate is from the Asamblea por los Derechos Humanos (APDH). Estimates by human rights organizations estimate up to 30,000
  37. "Durante la vigencia del estado de sitio entre noviembre de 1974 y octubre de 1983, los organismos de derechos humanos denunciaron la existencia de 12 mil presos politicos legales en las distintas cárceles de 'maxima seguridad' a lo largo de todo el territorio de Argentina."Entre resistentes e “irrecuperables”: Memorias de ex presas y presos políticos (1974-1983), p. 13.
  38. State terrorism in Latin America: Chile, Argentina, and international human, Thomas C. Wright, Page 158, Rowman & Littlefield, 2007
  39. "Las víctimas del terror montonero no cuentan en Argentina". Retrieved 23 February 2015.
  40. "'A Story That Has Not Really Been Told'". Retrieved 11 May 2016.
  41. In from the Cold. Retrieved 23 February 2015.
  42. E/CN.4/2001/NGO/98, United Nations, January 12, 2001 - URL accessed on February 9, 2007 (Spanish)
  43. ANSA cable quoted by RaiNews24: Alcune testimonianze sull'uso militare del fosforo bianco (Italian).
  44. El Clarín. El ataque a La Tablada, la última aventura de la guerrilla argentina, January 23, 2004 (Spanish)
  45. "La Tablada: niegan que una atacante haya sido fusilada". La Capital. Retrieved 11 May 2016.
  46. The Politics of Human Rights in Argentina. Retrieved 23 February 2015.
  47. Revolutionizing Motherhood. Retrieved 23 February 2015.
  48. ""Me siento defraudado; soy doctor en idiotez", aseguró Emilio Nani". 29 December 2000. Retrieved 11 May 2016.
  49. "El secretario de Derechos Humanos recibió a familiares de víctimas del terrorismo". 14 January 2016. Retrieved 11 May 2016.
  50. "'Macri says he's too busy to meet us'". Retrieved 11 May 2016.


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