KHARTOUM, SOUTH SUDAN - MAY 21: Sudanese troops that are prepared to rescue the Blue Nile and Kordofan regions under rebel's control, shown to media in Khartoum, South Sudan on May 21, 2014. (Photo by Stringer/Anadolu Agency/Getty Images)
KHARTOUM, SOUTH SUDAN - MAY 21: Sudanese troops that are prepared to rescue the Blue Nile and Kordofan regions under rebel's control, shown to media in Khartoum, South Sudan on May 21, 2014. (Photo by Stringer/Anadolu Agency/Getty Images)