To start, I haven't read all the replies, only the linked doc. There are two things I want to add. The first is that the plane that I witnessed hit the south tower was definetely a passanger plane. The thing was huge as I was about 800' (yes feet) away from it as it flew over my head while I was watching the north tower from West Street. There were no "pods" on the plane and it had a full compliment of windows. The second is that the was a fighter jet over head within 3 minutes of the second plane crashing into the tower. How I know this is I almost sh*t my pants when I heard another jet after witnessing the last one I saw crash into a building. I know the article says there were no military aircraft in the area and that might be true, but they did know something was wrong and were trying to get there. How long can it take to get to NYC from Va or Ma in a fighter jet?
I'm not one for war but I can tell you that I never want to see anything like that in my lfe ever again. I'm glad we are doing something about the terrorist threat in their backyard. It's been 3 1/2 years since 9/11 and everyday I go to work I have to see the signs in the subway about keeping your eyes open and making sure you say something if you see something out of the ordinary. You can tell when the police have heard something as there will be hundreds of them around. It's scary.
Sorry for the rant, but life has drastically changed since 9/11.
Joe