South African Pierre Korkie was killed in a failed rescue attempt along with American photojournalist Luke Somers. U.S. officials were reportedly unaware that Korkie was being held along with Somers nor that arrangements had already been made for his release. AP hide caption

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Adnan Shukrijumah is shown in these undated images provided by the FBI. The suspected al-Qaida operative who lived for more than 15 years in the U.S., was reportedly killed in a raid by the Pakistani military. Anonymous/AP hide caption

itoggle caption Anonymous/AP

Luke Somers, 33, an American photojournalist who was kidnapped over a year ago by al-Qaida, poses for a picture during a parade marking the second anniversary of the revolution in Sanaa, Yemen. Hani Mohammed/AP hide caption

itoggle caption Hani Mohammed/AP

The Express newspaper reported that U.K. officials have intelligence suggesting al-Qaida has been planning a high-profile attack on five commercial flights sometime before Christmas. Mark Wilson/Getty Images hide caption

itoggle caption Mark Wilson/Getty Images

Supporters of the al-Nusra Front protest in Aleppo, Syria, on Sept. 26, days after airstrikes there targeted the al-Qaida unit called Khorasan. U.S. officials say some top Khorasan leaders were embedded with the Nusra Front, al-Qaida's arm in Syria. Fadi al-Halabi/AFP/Getty Images hide caption

itoggle caption Fadi al-Halabi/AFP/Getty Images

Lt. Gen. William C. Mayville Jr., Joint Staff Director of Operations, speaks about airstrikes in Syria during a briefing at the Pentagon yesterday. Brendan Smialowski/AFP/Getty Images hide caption

itoggle caption Brendan Smialowski/AFP/Getty Images

Yemeni soldiers hold up their weapons at an area seized from al-Qaida in the southeastern province of Shabwa, Yemen, on May 8. President Obama said Wednesday that U.S. strategy against the so-called Islamic State would be similar to how it targeted militants in Yemen and Somalia. Yemen's Defense Ministry/AP hide caption

itoggle caption Yemen's Defense Ministry/AP

Al-Qaida leader Ayman al-Zawahiri is shown here in a still image posted online in 2011. In a video released this week, he announced that al-Qaida was establishing a faction in the Asian subcontinent with a focus on India. AP hide caption

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Fighting between Iraqi government forces and the Islamic State of Iraq and Syria leaves buildings destroyed in Ramadi on Tuesday. AFP/Getty Images hide caption

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