A Free Syrian Army soldier stands on a Syrian military tank in front of a damaged mosque in the Syrian town of Azaz in September 2012. A different rebel group, an al-Qaida offshoot, took over the town on Wednesday. Hussein Malla/AP hide caption

itoggle caption Hussein Malla/AP

U.S. forces transfer a missile for a fighter plane as the military prepared for war in Iraq, in Saudi Arabia in 1990. American presidents have been calling on the military frequently since the end of the Cold War more than two decades ago. Gerard Fouet/AFP/Getty Images hide caption

itoggle caption Gerard Fouet/AFP/Getty Images

Ammunition was stacked up Saturday in an area near Damascus that is controlled by forces loyal to President Bashar Assad. Khaled al-Hariri /Reuters /Landov hide caption

itoggle caption Khaled al-Hariri /Reuters /Landov

Former Egyptian President Hosni Mubarak was released from prison on Thursday and put under house arrest at a military hospital. Amr Abdallah Dalsh /Reuters/Landov hide caption

itoggle caption Amr Abdallah Dalsh /Reuters/Landov

Secretary of State John Kerry leaves the West Wing of the White House with chief negotiators, Israeli Justice Minister Tzipi Livni (back to camera), Palestinian negotiator Saeb Erekat (right) and others, after a meeting with President Obama on Tuesday. Brendan Smialowski /AFP/Getty Images hide caption

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Egyptian soldiers stand guard outside the Republican Guard building in Cairo on Friday. Egyptian troops clashed with mostly Islamist protesters demanding the restoration of the ousted president, Mohammed Morsi. Khalil Hamra/AP hide caption

itoggle caption Khalil Hamra/AP

Jordanian protesters chant slogans against corruption during a March 15 anti-government demonstration in Amman. Jordanians have held Arab Spring-inspired protests since 2011, demanding political reforms and anti-corruption measures. The protests have been peaceful. Khalil Mazraawi/AFP/Getty Images hide caption

itoggle caption Khalil Mazraawi/AFP/Getty Images

An anti-government protester wearing a gas mask uses a cellphone to read the news on social media as demonstrators gather at midnight in Istanbul's Taksim Gezi Park on June 13. Ozan Kose/AFP/Getty Images hide caption

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Yusra Hammed, 15, puts the finishing touches on a drawing on a wall inside her family's home in Silwad, a village in the West Bank. Hammed says, like many Palestinian girls, she does not throw rocks at Israeli soldiers; but she expresses her opposition through alternate channels, such as art. Emiliy Harris/NPR hide caption

itoggle caption Emiliy Harris/NPR

Members of the Zeitun Women's Cooperative prepare a meal. These women take catering orders for special events, using the proceeds to help support their families in an area with "nearly universal male under- and unemployment," the authors of The Gaza Kitchen write. Courtesy of Laila El-Haddad and Maggie Schmitt hide caption

itoggle caption Courtesy of Laila El-Haddad and Maggie Schmitt