Photos: 10 years of war in Afghanistan

The U.S.-led war in Afghanistan started on October 7, 2001, in response to the 9/11 attacks. Ten years later, look back at some of the moments and key development from the conflict, which has drawn praise and criticism since its beginning.

The U.S.-led war in Afghanistan started on October 7, 2001, in response to the 9/11 attacks. Ten years later, look back at some of the moments and key development from the conflict, which has drawn praise and criticism since its beginning.