Soldier from an unidentified Salvadoran Army unit stand at attention at a military base, El Salvador, March 1, 1982. At the time, the country was engaged in what became a 13-year Civil War between successive right-wing governments (backed by the US and others) and various armed guerrilla factions that eventually claimed over 75,000 lives before ending in 1992. (Photo by Robert Nickelsberg/Getty Images)
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Archive Photos Robert Nickelsberg