The commander of U.S. and NATO forces in Afghanistan General John W. Nicholson sits during his visits from Kunduz province, Afghanistan, March 22, 2016. REUTERS/Stringer

The commander of U.S. and NATO forces in Afghanistan General John W. Nicholson sits during his visits from Kunduz province, Afghanistan, March 22, 2016. REUTERS/Stringer

The commander of U.S. and NATO forces in Afghanistan General John W. Nicholson sits during his visits from Kunduz province, Afghanistan, March 22, 2016. REUTERS/Stringer

August 10, 2016 8:02 AM (UTC+8)