Oct. 7, 2001: President George W. Bush poses for a photo in the Treaty Room of the White House after announcing airstrikes on on Afghanistan.

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In this archive photo from October 21, 2001, Jalaluddin Haqqani smiles as he leaves after a meeting with Jama"at-i-Islami leaders in Islamabad, Pakistan.

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Undated photo reportedly showing Taliban leader Mullah Omar. AP hide caption

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Lt. Gen. William Caldwell (Feb. 27, 2011 file photo). U.S. Navy Petty Officer 2nd Class Ernesto Hernandez Fonte /AP hide caption

itoggle caption U.S. Navy Petty Officer 2nd Class Ernesto Hernandez Fonte /AP

Secretary of Defense Robert Gates. Alex Brandon/AP hide caption

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A girl stands in the middle of a poppy field as Marines pass by on patrol. David Gilkey/NPR hide caption

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Corporal Daniel Wheeler, Bravo Co. 1/5 Marines, walks through a waist high wheat field on a patrol in Sangin District near the Helmand River in southern Afghanistan earlier this month. David Gilkey /NPR hide caption

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Secretary of State Hillary Clinton speaks following the death of Osama bin Laden, Monday, May 2, 2011. Jacquelyn Martin/ASSOCIATED PRESS hide caption

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