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U.S. Army Special Forces helicopters land on an airstrip during an operation August 28, 2002 in the town of Taloquan in Northern Afghanistan. U.S. Special Forces have recently begun to step up their presence in Northern Afghanistan to more aggressively pursue possible al Qaeda and Taliban fugitives they believe to be operating in the region.
U.S. Army Special Forces helicopters land on an airstrip during an operation August 28, 2002 in the town of Taloquan in Northern Afghanistan. U.S. Special Forces have recently begun to step up their presence in Northern Afghanistan to more aggressively pursue possible al Qaeda and Taliban fugitives they believe to be operating in the region.

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    How long will the U.S. mission in Afghanistan last?

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How long will the U.S. mission in Afghanistan last?

Gen. Stanley McChrystal (Ret.) is a four-star general and former commander of American and coalition forces in Afghanistan. He talks to CNN's Jim Sciutto.

How long will the U.S. mission in Afghanistan last?

Gen. Stanley McChrystal (Ret.) is a four-star general and former commander of American and coalition forces in Afghanistan. He talks to CNN's Jim Sciutto.