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TOPSHOT - A member of the Sudan People's Liberation Army in Opposition (SPLA-IO) stand guard at the military site in Juba, after the arrival of new troops and their chief of staff on April 25, 2016. Rebel spokesman William Ezekiel said that 195 troops landed along with South Sudan's top rebel military commander Simon Gatwech Dual, to provide security for Machar, who he said hoped to return on April 26. Some of the rebel troops looked visibly nervous, but others were more cheerful and raised fists into the air as their leader shouted "Viva SPLA, viva SPLM!" -- the acronym for the army and ruling party divided by the war. (Photo by Albert Gonzalez Farran / AFP) (Photo by ALBERT GONZALEZ FARRAN/AFP via Getty Images)