The War in Afghanistan: A Decade of Conflict

People watch the news on an electronic billboard at Times Square in New York on October 7, 2001, the day that American and British forces unleashed missile attacks against military targets and Osama bin Laden's training camps inside Afghanistan. (AP)

In this October 7, 2001 file photo, President George W. Bush, right, meets with CIA Director George Tenet, Vice President Dick Cheney and National Security Adviser Condoleezza Rice in the Oval Office after the president informed the nation that air strike

Mohammed Anwar, left, and an unidentifieded boy in Kabul, Afghanistan, display pieces of shrapnel from bombs dropped on October 8, 2001. (AP)

Local Afghan residents pick up food packets of U.S. humanitarian aid dropped by U.S. planes in a field near Khwaja-Bahauddin, anti-Taliban stronghold in northern Afghanistan, October 13, 2001. (AP)

In this October 27, 2001 file photo, plumes of smoke rise over the village of Darya Khanah, a Taliban controlled area close to the Bagram airport, 20 kilometers north of Kabul, Afghanistan. (AP)

One of many patients being treated at the Emergency Surgical Center for war victims in Anawa, northern Afghanistan, October 19, 2001. (AP)

U.S. Marine Cpl. Chuck Martin speaks on a radio during a firefight in the district of Marjah in southern Afghanistan, September 28, 2010. (AP)

U.S. Marine Sgt. Jeffrey Benson, left, holds a spent bullet casing found after a gun battle while he interrogates a resident of Marjah, Afghanistan, September 26, 2010. (AP)

An Afghan woman walks among U.S. soldiers on patrol in Kandahar City, southern Afghanistan, October 22, 2010. (AP)

This undated family photo shows Navy SEAL Chris Campbell, one of 22 killed on August 6, 2011, along with eight other U.S. troops and eight Afghans, after their helicopter was shot down by the Taliban in Afghanistan. (AP)

A U.S. military adviser for NATO's Training Mission-Afghanistan demonstrates to Afghan policemen how to make a head bandage as part of combat first aid training in Kunar province, eastern Afghanistan, October 6, 2011. (Reuters)

U.S. soldiers and Afghan soldiers conduct a dialogue with residents in a village in Walay valley, near the Afghanistan-Pakistan border in Kunar province, October 2, 2011. (Reuters)

Demonstrators holding banners protest the war in Afghanistan in front of the Brandenburg Gate in Berlin, October 7, 2011. (Reuters)

A man looks at Afghan pictures during a demonstration on October 7, 2011 in Paris, marking the 10th anniversary of the military intervention in Afghanistan. (AFP)

A burqa-clad Afghan holds placard during an anti-US demonstration one day before the 10th anniversary of the war in Afghanistan, Kabul, October 6, 2011. (AFP)

Hundreds of Afghans protest to condemn the 10th anniversary of the U.S.-led invasion in Afghanistan, Kabul, October 6, 2011. (Reuters)

Demonstrators fly a giant kite near Big Ben in central London, as they protest to mark the 10th anniversary of the military intervention in Afghanistan, October 7, 2011. (AFP)