Afghanistan

The American flag flies at half mast to remember the victims of 9/11 at Forward Operating Base (FOB) Kuschamond on Sept. 11, 2011. Ceremonies were held in tribute to the victims of the 9/11 attacks at bases across Afghanistan with a similar event at the U.S. embassy in Kabul, where troops are stuck in a seemingly un-winnable war against a Taliban guerrilla movement few Americans understand.

Complete coverage: 9/11 anniversary

Credit: JOHANNES EISELE/AFP/Getty Images