Yes there were aircraft parts, HOWEVER those parts do not belong to a Boeing 757 which I have documented here:

http://911physics.atspace.com/Pages/Pentagon.htm
http://911physics.atspace.com/Pages/Debunking911Myths/Pentagon.htm

Misleading. Chris hasn't addressed most of the debris in the shots we list here. While he claims that some parts don't belong to a Boeing 757, that's all it is: just a claim.

Yet another coincidence! What a surprise! The terrorists accidentally overshoot (according to Mike) and then because of that have to crash into the empty section of the Pentagon, which just happens to be the opposite side from Donald Rumsfeld's office!
http://911physics.atspace.com/Pages/Debunking911Myths/Pentagon.htm

I suggest they may have accidentally overshot as one possibility. I also point out that they may have chosen this path as the easiest way to navigate to the building, and quote a pilot who believes the same thing. Chris doesn't address a word of this.

What we get instead is more coincidence manufacture, and of course the advantage of this is you can do it with almost anything. They hit the opposite side of the building to Rumsfeld's office: it's too much of a coincidence! If they'd hit the side with Rumsfeld's office and he wasn't there, we'd be told that was an incredible coincidence too. If they hit it and killed Rumsfeld we'd have theories about how the conspirators wanted to "take him out", because the odds of killing one man were just “too impossibly high”. Not one of these is evidence of anything: rather it's just people starting out with a pre-conceived idea, then creating as much propaganda as they can to try and support it.