Election officials count ballots under the scrutiny of monitors in Iraq in 2005. Les Campbell from the National Democratic Institute worked as an election monitor during Iraq's 2005 elections, a job that came with a flak jacket and security detail. Sasa Kralj/AP hide caption

itoggle caption Sasa Kralj/AP

A Syrian woman cries as she leaves a residential block in Aleppo, Syria, reportedly hit by an explosives-filled barrel dropped by a government forces helicopter on March 18. Khaled Khatib/AFP/Getty Images hide caption

itoggle caption Khaled Khatib/AFP/Getty Images

Rebel fighters inspect the wreckage of a Syrian army helicopter after the Islamic State of Iraq and Syria, or ISIS, allegedly destroyed it in March in the northern Syrian city of Aleppo. Mohammed Al-Khatieb/AFP/Getty Images hide caption

itoggle caption Mohammed Al-Khatieb/AFP/Getty Images

Iraqi Sunni masked protesters burn tires to block the main highway to Jordan and Syria, outside Fallujah, Iraq, on Dec. 30. Violence has returned to Iraq's Anbar province, with discontented ordinary Sunnis joining forces with al-Qaida-linked militants battling the Iraqi government. AP hide caption

itoggle caption AP