Afghanistan: A Decade of War, Nearing an End - PICTURES

May 3, 2012, 8:18 a.m.

For more than a dec­ade, tens of thou­sands of U.S. and al­lied troops — dis­patched after Sept. 11 — have fought in Afgh­anistan. Now, the NATO mis­sion is be­gin­ning to wind down and the U.S. is pre­par­ing to with­draw its troops. Here’s a look at key mo­ments from the past 11 years.

(RE­LATED: Dis­patches from Afgh­anistan — The Be­gin­ning of the End)