The immediate response to the terror attacks of September 11, 2001 was an invasion of Afghanistan to root out al-Qaeda.  Today, U.S. forces are still in Afghanistan.  how do they feel about their mission?

FOX News Radio's Alastair Wanklyn reports from Kabul in Part 29 of our month-long special series, "9/11: 10 Years Later":

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In our next report, from Shanksville, Pennsylvania, a look at the memorial to the heroes of Flight 93.

CLICK HERE to listen to Parts 1-28 of our month-long special series, "9/11: 10 Years Later"