It wasn't just an attack on New York City.  We learned that terrible fact when a third jetliner slammed into the home of America's Department of Defense.

FOX News Radio's Rich Johnson reports from the Pentagon in Part 14 of our month-long special series, "9/11: 10 Years Later"...

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In our next report, what happened to the Florida flight school where the hijackers learned to fly?

CLICK HERE to listen to Parts 1-13 of our month-long special series, "9/11: 10 Years Later"