On the seventh day, 2,000 soldiers of the 21st 'Miller' and 31st 'Aldea' Marine Infantry Battalions and 1,500 Marines of the 41st 'Hurtado' Combat Support and 51st 'Olave' Logistic Support Battalions arrived to reinforce the police and army forces already in the coastal cities of Valparaíso, Viña del Mar and Talcahuano.<ref>[https://www.infodefensa.com/latam/2019/10/25/noticia-infanteria-marina-chile-despliega-estado-emergencia.html La Infantería de Marina de Chile despliega sus Kia ante el Estado de Emergencia]</ref>It was the first significant amphibious operation by the Chilean Marine Corps since the mopping-up operations conducted in Viña del Mar during the 1973 military coup that removed Marxist President Salvador Allende from power. | On the seventh day, 2,000 soldiers of the 21st 'Miller' and 31st 'Aldea' Marine Infantry Battalions and 1,500 Marines of the 41st 'Hurtado' Combat Support and 51st 'Olave' Logistic Support Battalions arrived to reinforce the police and army forces already in the coastal cities of Valparaíso, Viña del Mar and Talcahuano.<ref>[https://www.infodefensa.com/latam/2019/10/25/noticia-infanteria-marina-chile-despliega-estado-emergencia.html La Infantería de Marina de Chile despliega sus Kia ante el Estado de Emergencia]</ref>It was the first significant amphibious operation by the Chilean Marine Corps since the mopping-up operations conducted in Viña del Mar during the 1973 military coup that removed Marxist President Salvador Allende from power. |