A remote camera screen grab provided by the French army shows two Rafale jet fighters flying over Iraq on Friday. French President Francois Hollande announced that the fighters had carried out their first airstrikes in northern Iraq. AP hide caption

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Syrian rebel fighters in the northern city of Aleppo in August. The Obama administration has been vetting rebel groups and decided that more than a dozen are moderate enough to arm. Zein al-Rifai/AFP/Getty Images hide caption

itoggle caption Zein al-Rifai/AFP/Getty Images

This image, posted on a militant website, shows an Islamic State fighter waving a flag from a captured government fighter jet in Raqqa, Syria. The Islamic State captured the city in northeastern Syria last year and it has effectively served as its capital. Uncredited/AP hide caption

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House Speaker John Boehner, R-Ohio, leaves after a news conference Thursday on Capitol Hill in Washington. Boehner responded positively to the proposals from President Obama about confronting Islamist militants in Iraq and Syria. J. Scott Applewhite/AP hide caption

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A young Iraqi on Thursday stands amid the debris of a double car bomb attack in Baghdad. There was no immediate claim of responsibility. President Obama's plan to attack Islamic State militants in Iraq and Syria will require help from partners on the ground in both countries. Ahmad Al-Rubaye/AFP/Getty Images hide caption

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President Obama addresses the nation from Cross Hall in the White House on Wednesday. Opening a new military front in the Middle East, Obama authorized U.S. airstrikes inside Syria for the first time, along with expanded strikes in Iraq as part of a broad mission to root out violent Islamic State militants. Saul Loeb/AP hide caption

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President Obama has been wary of open-ended military commitments in the Middle East. But the president, shown speaking in Estonia on Sept. 3, now appears likely to expand the current bombing campaign against the Islamic State. Saul Loeb/AFP/Getty Images hide caption

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Smoke rises from the Beiji oil refinery during clashes between the Islamic State and Iraqi government forces in Beiji, northern Iraq, on July 30. The militants tried to take the refinery this summer, but government forces have held on. STR/EPA/Landov hide caption

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British Prime Minister David Cameron told the House of Commons on Monday that he wants to give police the power to seize the passports of Islamist fighters bound for Iraq and Syria. PA Photos /Landov hide caption

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A photo from March 2008 provided by the Hennepin County, Minn., Sheriff's Office shows Douglas McAuthur McCain, who was killed recently fighting alongside Islamic State militants in Syria. AP hide caption

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American Eric Harroun threatened Bashar Assad on Facebook and YouTube. He spent six weeks fighting with a rebel army, a journey that did not end well for him. ABC News/YouTube hide caption

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