Timeline of the war in Afghanistan

Published On: Jun 18 2013 11:36:52 AM CDT   Updated On: Sep 30 2014 07:13:23 AM CDT

A new security agreement keeping U.S. troops in Afghanistan past this year marks yet another chapter in the longest conflict in U.S. history.

Staff Sgt Robert Bales
20 / 28
Spc. Ryan Hallock/DOD

March 2012 -- U.S. Army Staff Sgt. Robert Bales is accused of killing 16 Afghan civilians in an armed rampage in the Panjwai district of Kandahar.

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