Lance Cpl. Jake Romo does physical therapy at the Naval Medical Center in San Diego, Calif. He lost both legs in an explosion in Sangin, Afghanistan, in February 2011, while serving with the 3/5 Marines. David Gilkey/NPR hide caption

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On the Afghan side of the border with Pakistan, a U.S. soldier stood guard last month as a boy walked by in Nangarhar province. Tauseef Mustafa /AFP/Getty Images hide caption

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Secretary of State Hillary Clinton speaks in Islamabad Friday, as Pakistan Foreign Minister Hina Rabbani Khar looks on. Clinton urged Pakistan to act swiftly to dislodge the militant Haqqani network.

Kevin Lamarque/AFP/Getty Images hide caption

itoggle caption Kevin Lamarque/AFP/Getty Images

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.

Hillery Smith Garrison/AP hide caption

itoggle caption Hillery Smith Garrison/AP

Afghan Security personnel stand above the body of one attacker, on the 10th floor of the building in Kabul from which RPGs and other weapons were fired. David Gilkey/NPR hide caption

itoggle caption David Gilkey/NPR